INDEX TO KEYS Etc. BY COUNTRY Part 3 264 – 400

Australia:

267 – 268. 270. 272 – 274. 276 – 278. 280 – 282. 286 – 295. 297 – 301. 303 – 308. 310 – 313. 315 – 320. 323. 325. 334 – 335. 337 – 338. 340. 342. 344 – 352. 355. 358. 360 –3 64. 366 –3 67. 369. 371. 377. 378. 382. 384. 387. 389. 390. 391. 393 ─ 400.

Japan: 283. 321. 379 – 380. United Kingdom:

266. 284 – 285. 309. 326 – 333. 343. 353. 357. 359. 365. 368. 370. 372 – 374. 376. 383. 385. 386. 388. 392.

United States:

269. 271. 275. 279. 296. 302 – 314. 324 –3 25. 336. 339. 341. 356. 373. 375. 381. Unknown:

264. 267.

264. Unknown box 191 x 90 x 131mm. Coil with armature and extending rod above scale marked 10 to 100. Small sliding switch bottom right with three sockets centre front. Large battery underneath. Handle on top. Hasp and staple catch. Can be used as a relay. May be quack medical instrument.

265. NATO (North Atlantic Treaty Organisation) key made by Price & Edwards LTD 208 x 85 x 65mm. Metal cover

secured front right and left mid rear with plate reading 5805-99-541-1439 KEY TELEGRAPH SER. No. PES 169 91 and Mod record plate. Small black bakelite knob with skirt under. OFF ON switch front left. New and complete with all original packaging. These keys were used by the UK navy from mid 1960s. Also made by IMR (International Marine Radio) and FIL (Fleming Industries). These were used by Royal Australian Navy from 1960s to end of Morse in 1990s. Obtained from Melbourne.

266. Relaying sounder Type B contained in glass front wooden box 170 x 173 x 131mm. Glass front section

detaches. Label reads SOUNDER RELAYING TYPE B REF. NO. 10G/138 A ♔ M (indicates Air Ministry) SERIAL

NO. STAMPED O.P.C. 11 AND O.P.C. 12. Terminals marked S T M D (with 500 above) Ⓓ U and Ⓤ (with 500

above). Large magnet at rear. Type B relaying sounder was used for remote control of high power W/T (Morse) transmitters, including transmitters T.70 and T.1087. The operator could be many miles away from the transmitting site, and this instrument, connected to the site by telegraph wires, faithfully followed his/her Morse keying to operate the transmitter. Concurrently, two type A models, of slightly different design, were used for switching HT and LT power supplies in the transmitter and receiver. Both models are differentially wound. Type A (Ref. 5B/117, later designated 10G/117). Power supply: 24v (12-0-12v). Coils 500+500 ohms in parallel. Two used for switching HT and LT by remote control. Type B (Ref. 5B/138, later designated 10G/138). Power supply: 14v ac through a bridge rectifier. Coils 500+500 ohms in series, slugged with closed metal rings round the coils. Used for keying a transmitter by remote control. According to the RAF Museum, Hendon, Type B (10G/138) was a stock item in RAF Stores until ‘some time after 1959’. Obtained from Engadine NSW. For Type 1 (or Type A) see #525.

267. Wooden box 195 x 150 x 128mm with black ebonite top. U.S. black

oval base wood knob key mounted on wooden base 80 x 90mm and 3 terminal screws. Wood knob circuit closer. Front of base marked 50ω (old style ohms symbol). BAKELITE below and 10 hole socket marked MAGNUS within triangle. Transformer marked VIKING and F G P B? at corners underneath. 4 hole socket marked EMMCO G P + — next to transformer.

268. Australian army field set (Telephone Set D MKV contained in metal box 251 x 110 x 153mm. Stamped D↑D on front near lid closer. Top marked ???SET and ↑ above 325. Top opening lid with diagram (724 stamped on lid below) and instructions inside. Bell on left hand side with two terminals marked L1 and L2. Battery container centre rear marked D↑D TELEPHONE SET MK V SERIAL NO. 25709 MANUFACTURED BY STANDARD TELEPHONES AND CABLES Pty. Ltd. SYDNEY 1942. Small key similar to #3 mounted in front. Buzzer with two dials each marked LOCK. Below key is sliding frame marked PRESS KEY WHEN FINISHED and telephone handset with four pin plug stamped S.T.&C. D↑D. Lever marked PRESS KEY WHILE SPEAKING TELE HQ NO. 2. To left is four hole socket and also in section with handset is set of headphones connected below 4 hole socket marked C-LR ST & C SYDNEY 1942. COMPLETE WITH WEBBING STRAP.

269. US Western Electric sounder. Wooden base 139 x 76mm marked SOUNDER 3B 20 OHMS. Two terminals at rear, brass fittings. Alloy striker marked WESTERN ELECTRIC MADE IN U S A. Mounted in wooden resonator box (270) and used with my dial up set.

270. Australian replica of US type resonator box 200 x 142 x 192mm on wooden base 164mm diameter. Chrome stem 32 x 18mm.

271. US Lewis key. All metal. Base measures 74 x 63mm. Two large terminals at rear. Large round knobs either end of fulcrum. Down curving arm with black bakelite knob and circuit closer on right. LEWIS PAT MAY 26. 1875 MAY 23 1877 on back of arm and W. E. M’F’G Co. — CHICAGO — on left side. Stamped A1 22 on base left on knob. Large lock nut on back stop (replacement). Obtained from USA.

272. Australian Simplex Auto semi automatic key S# 5382. Black wrinkle paint base 151 x 76mm. Sloping bridge with plate reading THE SIMPLEX AUTO N0 5382 (REGD.) MANUFACTURED BY LEO. G COHEN MELBOURNE VIC. Pivot screw under base. Damper at rear left. Round pendulum and weight. Black bakelite finger thumb pieces. Screw holes for feet have been drilled right through base in lieu of usual blind holes.

273. Australian Simplex Auto semi automatic key. S# 3816. All nickel plated. Base measures 151 x 76mm. Square bridge with label reading THE SIMPLEX AUTO NO. 3816 (REGD.) LEO G. COHEN. MELBOURNE. VIC. With pivot screw right hand end. Damper on rear left. One terminal screw on dash post and other at rear immediately to left of arm. Round pendulum and weight. Flat dot spring is U shape at contact end. Black bakelite finger/thumb pieces.

274. Australian PMG key. Wooden base measures 108 x 78mm. Stamped underneath base is 523 6 C4601 5. Two terminals on left. Jack for jigger on front right. All steel fittings. Circuit closer. Black bakelite knob (circles) and closer knob. Obtained from Adelaide 2007.

275. US Electro bug. All nickel plated metal. Base 168 x 76mm. T bar style. Upright damper post with wheel. Electro magnet front right. Two terminals right side either side of magnet. Rheostat combining circuit closer on front right. Twin black bakelite paddles. Plate front left reads ELECTRO-BUG PATENTS PENDING MANUFACTURED BY ELECTRO MFG. CO. FRESNO CALIF. Stamped under base 10080. (Serial numbers commenced at 10000) Complete with original box 240 x 103 x 90mm with lock and handle. Also copy of original instructions. Obtained from USA.

276. Australian army daylight signalling lamp set used in both WW1 and WW2. Metal case 212 x 162 x 192mm. Two opening top sections one with label LAMP SIGNALLING DAYLIGHT SHORT RANGE 20330 CASE MARK I AUST. Other marked D↑D DH. Label side contains tin 105 x 78 x 45mm containing spare globes and fittings and batteries. Metal instructions plate under lid. Other side compartment has WT8AMP No. 2 key under lid with other connections. Black bakelite base under connections P.M.G. D↑D. Small metal instruction plate under lid. Compartment contains lamp assembly 100mm diameter, 3 piece ground spike, 3 coloured plastic discs 95mm diameter and 5 hole metal disc 95mm diameter with rotating under portion. Complete with webbing carry strap. Obtained from Cooma NSW.

277. Australian army daylight signalling lamp (105mm diameter) with attached cord and globe. Sight on top. Label marked LAMP SIGNALLING DAYLIGHT SHORT RANGE PROJECTOR MKII STROMBERG CARLSON SERIAL No 28106 1942. Spare for 276.

278. Australian army WT8 AMP No. 2 key mounted on khaki painted wooden base 111 x 97mm. Base stamped on top left P.M.G. DD with ↑ underneath. Stamped on R side of base ↑ with G1121 below. Three terminals on left of base marked A B and C. Also has socket on front left of base.

279. US military J37 leg key. All black metal frame with black oval based key attached. Marked J37 front left and R

front right. Steel fittings with black bakelite knob. Leg marked KY–116/U. New and complete with original packing and cardboard box marked 5805-503-3395 KEY TELEGRAPH KY-116/U 1 EACH ASSOCIATED INDUSTRIES NORTH HOLLYWOOD, CALIF. U.S.A.

280. Australian Simplex Auto semi automatic key. S#4540. All nickel plated. Base measures 155 x 76mm. Damper rear left. Straight frame with label reading THE SIMPLEX AUTO NO. 4540 (REGD.) MANUFACTURED BY LEO. G. COHEN. MELBOURNE VIC. Pivot screw top right. Round pendulum one weight. Black bakelite finger and thumb pieces. Cord attaches to dash post screw and earth screw immediately to left under base. Obtained from Canberra Feb. 2007 and said to have been previously owned by Brian Spencer who was a Telegraphist, Supervisor and then Instructor in Sydney and given to Basil Morrissey by Brian. Brian was also my instructor in the Telegraphist Training School class located in the Sydney GPO in 1950. This is my everyday workhorse.

281. Rod from old batteries used at Alice Springs

Telegraph Station. 160 x 25mm. Contained in clear plastic cylinder. Found by me near Alice Springs Telegraph Station in 2001.

282. Imperial 55 typewriter. Standard upper case only typewriter used by PMG Department for Telegraphists and

Phonogram Operators. Black with 55 Imperial 55 decal on front and 165 (position number in operating room at which it was used) painted above. 3750 stamped on back of centre ‘key guide’ in key container section and top right when viewed from back. 8/518 stamped on bottom right viewed from back. Chrome plated levers on either side of key container push down to allow key container to slide out. Imperial 55 typewriters were made in both single case and upper and lower case between 1937 and 1961.

283. Japanese practice key. Black bakelite base 171 x 70mm. Metal key with black bakelite knob. Two terminals on right hand side. ‘PHONE’ stamped in front of rear terminal. Buzzer and battery compartment behind key marked + on left and – on right. Marked JAPAN under base and under knob.

284. UK brown bakelite Bathtub key 125 x 41mm. Top section metal key with brown bakelite knob and skirt. Two bakelite terminals marked REF No. 10A17739. Skirt marked REF No. 10A17790 and REF No. 10A17741 on section under knob. Inside of lower base marked 10F/606. Large clip joins both sections and when raised to skirt, key emits a continuous signal for tracking in case of emergency. Used in allied bomber aircraft. Original cardboard box labelled PACKED BY FORDHAM & Co. SUNDERLAND CONTRACT No. ONS/STORES 19221/C. 6(c). INSPECTED BY PACKED BY MAY 1952 MI.A. Also attached label 10F/7741 KEYS MORSE TYPE F QTY. 1.

Bathtub mounted in aircraft.

285. GNT all black bakelite key model 605. 139 x 90mm. Long steel arm with black bakelite knob. Cord attached. Tension adjusting screw in front and black bakelite knob towards rear. Label on back reads MORSE EQUIPMENT LTD. TRING : HERTS : U.K. Telephone: TRING 4011 TELEX 82363 No 605754125. Underneath base marked 605/IX 606/1-1X. Complete with original cardboard box marked 5805-66-057-5663 KEY, TELEGRAPH PART No. 605 S QTY.1 C/ITEM No. 1 P/D E67984 CAPO N347144. Also with wiring diagram for key. Packing label reads EQUIPMENT TYPE. 605s. SERIAL No. 605754125 ORDER No. 1531 CUSTOMER. A.W.A. MECHANIC. L. Sharp. INSPECTED. DATE. 1 JUL 1975. Round stamp MORSE EQUIPMENT LTD. E. INSP 75. Obtained from Sydney.

286. Australian WT8AMP key mounted on black painted masonite base 152 x 122mm. Bridge at rear with two

terminals. WT 8 AMP NO. 2 key made by Clipsal 1944 (marked underneath ). Arm stamped ↑with 855 under at end and what appears portion of AWA on right.

287. Australian army key and plug assembly No. 9. WT8AMP key with black plastic sheath under knob mounted on metal base 144 x 50mm marked on front base KEY AND PLUG ASSEMBLY No. 9. Metal cover and complete with webbing straps and cord and plug.

288. Australian army key and plug assembly No. 9. WT8AMP key with black plastic sheath on arm → under knob. Mounted on metal base 144 x 50mm. Marked on front base KEY AND PLUG ASSEMBLY No. 9. Black metal cover and complete with webbing straps and cord and plug.

289. Australian army key and buzzer set on wooden base 215 x 112mm. WT8AMP No. 2 key mounted on front right

of board. To left is mounted buzzer with four terminals ─ + L L. Bracket for battery at rear. Connections diagram under base. P J SINNOTT stamped under battery bracket.

290. Australian army WT8AMP key. Black bakelite base 89 x 41mm. Black bakelite knob. KEY. W.T. 8 AMP. No. 2 Marked on front. End of arm stamped →2.

291. Australian army WT8AMP key. Black bakelite base 89 x 41mm. Black bakelite knob. KEY. W.T. 8 AMP. No. 2 marked on front. Marked underneath P.M.G. 1941.

292. Australian army WT8AMP key. Black bakelite base 89 x 41mm. Mounted on second base 48 x 89mm. Black bakelite knob. KEY. W.T. 8 AMP. No. 2 marked on front. Marked underneath P.M.G. 1941. Arm stamped ↑2 at end.

293. Australian army key from Telephone Set D MKV. Base 53 x 41mm. Wide arm on key. See #3, # 268 and #294.

294. Australian army key from Telephone Set D MKV. Base 53 x 41mm. Wide arm on key. See #3 #268 and #293.

295. Metal panel 128 x 12mm with two milliammeters mounted. Both meters 51 x 55mm each 0 to 60 either side of zero. Both marked mA PATON ELECTRICAL SYDNEY K216 FSD on left. Left hand meter marked No. 3E-871 Int shunt and right hand meter marked No. 3N831. Both meters marked on rear PALEC INDICATIONS NOT INFLUENCED BY STEEL PANEL.

296. Round (65mm diameter) black bakelite cased voltmeter. Reads 10 – 150 with LINE VOLTAGE under. Dial reads MADE IN U.S.A. MODEL No. 231 ED–88–A. TRIPLETT ELECT INST CO. BLUFFTON OHIO. U.S.A. KAY CONTINENTAL CORPORATION logo in centre with large X. Shunt attached to rear.

297. Australian BUZZA buzzer. Masonite base 75 x 44mm. Two terminals at rear. Metal cover with decal worded ‘BUZZA’ Trade Mark AUSTRALIAN PRODUCTS. Used on many types of Buzza practice sets.

298. Buzzer black ebonite base 60 x 45mm. Front of base marked METRA CAT. NO. MAS - 250. Three terminals marked EB A B.

299. Buzzer, wooden base 82 x 82mm. 20 ω (old ohm symbol) with two terminals above. Third terminal near coils. Both coils marked 10A.

300. Australian military training key. Similar to key on #250 mounted on wooden base 93 x 114mm. Steel fittings.

Front plate, anvil and arm all stamped underneath with 63. This key has been taken from a set and mounted individually.

301. Australian military training key and black metal covered (82 x 80mm) buzzer similar to #250. Wooden box 200 x 145 x 65mm. Key similar to #300 with different black bakelite key and skirt.

302. US D’Arsonval reflecting galvanometer. Three legs form triangle approx 205 x 115mm. Main body 220 x 83mm

with glass front. Adjustable wire holder on top. Large red coloured magnets at bottom. Terminal screws at both sides of case. Label at back of case reads CENTRAL SCIENTIFIC CO LABORATORIES SUPPLIES APPARATUS CHEMICALS CHICAGO U.S.A. WITH CENCO logo in centre. ADJUSTING SCREW AT REAR. Front leg supports scale 150 X 25mm marked 0 – 70 either side. Label reads CENTRAL SCIENTIFIC COMPANY CHICAGO. ILL. U.S.A.

303. China cup 84mm top diameter, 78mm base diameter x 87mm high with POST OFFICE COMUNICATIONS AUSTRALIA logo on one side. Green band around top. Underneath stamped JOHN MADDOCK & SONS MADE IN ENGLAND with logo above (Lion and VITRIFIED). This is not strictly a telegraph item but the PMG cafeteria was situated on the 9th floor of the adjacent and connected ‘new Sydney GPO’ building and well patronised by Telegraphists from the C.T.O. located on the fourth floor of the ‘old G.P.O.’. Many crockery items finished up there. For later Australian made, different shape cup see #575.

304. China saucer 124mm diameter. POST OFFICE COMMUNICATIONS AUSTRALIA logo on one side. Underneath stamped MADDOCK ULTRA VITRIFIED ENGLAND with logo above (Lion). This is not strictly a telegraph item but the PMG cafeteria was situated on the 9th floor of the adjacent and connected ‘new Sydney G.P.O. building’ and well patronised by Telegraphists from the C.T.O. located on the fourth floor of the ‘old G.P.O.’. Many crockery items finished up there.

305. China butter dish 80mm diameter. POST OFFICE COMMUNICATIONS

AUSTRALIA logo in centre. Underneath stamped MADDOCK ULTRA VITRIFIED ENGLAND with logo above (Lion). This is not strictly a telegraph item but the PMG cafeteria was situated on the 9th floor of the adjacent and connected ‘new Sydney G.P.O. building’ and well patronised by Telegraphists from the C.T.O. located on the fourth floor of the ‘old G.P.O.’. Many crockery items finished up there.

306. 8 Australian metal PMG uniform buttons circa 1946. POSTMASTER GENERAL’S DEPARTMENT • around outside with crown in centre. 23mm large, 17mm medium and 11mm small diameters. On back STOKES & SONS MELBOURNE (abbreviated on smaller buttons). Large buttons were used on uniforms worn by Telegraph Messengers (designation changed to Junior Postal Officer very shortly before I entered the PMG Department in August 1946, Postmen (later changed to Postal Officers and Motor Drivers. Medium buttons used on female uniforms and small buttons on cap to secure chin strap. Buttons also made by A. J. Parkes Brisbane (see #367).

307. Reversible PMG metal mailbag label 110 x 35mm. One side embossed P.M.G. and the other stamped AVOCA with Rathscar West written on the reverse. Stamped on the PMG side is PATENTED 31 - 8 . 05 No. 4028. Not strictly a telegraph item but Posts and Telegraphs were closely associated; occasionally telegrams were sent by mail where this would have been quicker.

308. Adjustable height (brass screw on stem) P.M.G pattern resonator. Heavy black

metal base 145 x 145 mm. All sides and corners sloping. All brass fittings. Wooden resonator box 162 x 152 x 196 mm curved back. Brass screws each side.

309. High speed morse transmitter. Black bakelite base 405 x 70mm. Tape transmitter mounted on left hand end above double switch. Marked G.N.T. CO TRANSMITTER MODEL 112 No. 83498. White fuse mounted behind. Black Bakelite, glass sided speed regulator mounted in centre marked SPEED IN WORDS PER MINUTE with large dial 15 – 240 in centre and G.N.T. Co SPEED REGULATOR MODEL 2042 No. Motor mounted on right hand end with label reading RATING CONT HP 1/30 RPM 2850 CROYDON ENGLAND V230 0 1 ~ 50 A TYPE M81 No. 217246 WOUND. Logo in centre THE CROYDON ENG. CO. LTD. Plug from motor marked 10H/2265. Cables with one 3 pin and one 2 pin plug. Large instruction plate in centre marked G.N.T. Co. SPEED REGULATOR MODEL 2042. Smaller plate THE GREAT NORTHERN TELEGRAPH COMPANY (LIMITED) No. 86244.

310. Australian Simplex Auto semi automatic key S#3862. All nickel plated. Base measures 150 x 76mm. Square bridge with label reading THE SIMPLEX AUTO NO. 3862 (REGD.) MANUFACTURED BY LEO. G. COHEN MELBOURNE VIC. Top pivot screw right hand end. Damper left rear. One terminal screw on dash post and other at rear immediately to left of arm. Round pendulum and weight. Flat dot spring is U shape at contact end. Black bakelite finger/thumb pieces.

311. Australian Clipsal key. Black bakelite base 115 x 72mm. Base marked CLIPSAL at front under arm. Under base marked CAT. No. 610. Chip out of left side. All brass fittings. Two terminals on right hand side. Two extra connectors have been added at the rear, but these are not standard fittings. Black Bakelite knob.

312. Australian Clipsal key. Similar to #311 but in poor condition. Top right section of base (117 x 72mm) missing. Terminal screws, back stop and spring missing. May be incorrect knob because of circle pattern. This is kept solely because it is the only Clipsal key I have seen that does not have brass fittings. Steel fittings.

313. Buzzer. Black bakelite base 83 x 70mm. Marked LC64 – 1FM. Coil marked 500 ohms L.C.65. Two terminals.

314. US army headphones. Leather covered head frames. Two earphones each 51mm diameter and marked RECEIVER TYPE R–14 MADE BY WM J. MURDOCK CO. FOR SIGNAL CORPS U.S. ARMY.

315. Australian PMG double ended switching cord used on test boards. Black bakelite covered brass plugs 89 x 30mm at each end. Red cloth covered wires 1090mm long.

316. Australian PMG double ended switching cord used on test boards. Black bakelite covered plug 89 x 30mm on end. Other end wired into board. Red cloth covered wires 2140mm long.

317. Australian PMG double ended switching cord used on test boards. Black bakelite covered 3 ring brass plug 65 x 9mm on each end. Grey cloth covered wires 790mm long.

318. Australian PMG double ended switching cord used on test boards. Black bakelite covered 3 ring brass plug 65 x 9mm on each end. Grey cloth covered wires 2010mm long.

319. Australian PMG double ended single switching cord used on

test boards. Black bakelite covered 3 ring brass plug 65 x 9mm on each end. Grey cloth covered wires 1525mm long.

320. Australian PMG single ended earthing cord used on test boards. Black bakelite covered 3 ring plug 65 x 9mm on one end and clips on other. Grey cloth covered wires 2700mm long.

321. Japanese Hi Mound BK100 semi automatic key. Black bakelite with clear plastic cover. Full rubber under base which measures 175 x 75 mm with embossed Hi-Mound MODEL BK–100 JAPAN. Also has label reading THOMSON–CSF MAT 103 1 No 726 Dr 16 887 360 made in France MANIPULATEUR. Small square stamp CTA? and number below. Said to have come from French military disposals. Thomson–CSF is a large French electrical goods company and would have supplied this key to the French Military. Obtained from Yamba NSW 2007.

322. French military 3 terminal key. Terminals marked R C T. All grey with base measuring 170 x 80mm. Straight

black arm with black adjusting screws and black moulded knob and skirt. Base embossed G. JARDILLIER. Rear top opening cover with label THOMSON–CSF MAT 104 1 No 633 Dr 16 887 363 made in France MANIPULATEUR SIMPLE. Under base stamped CT4 above T5 in circle. Back of base has stamp in form of an anchor and 2157. Said to have come from French military disposals. Thomson-CSF is a large French electrical goods company and would have supplied this key to the French Military. The anchor stamp may indicate it was used by the French Navy. Obtained from Yamba NSW 2007.

323. Single line 4 bar switch. Brass base, 60mm diameter with lower black

ebonite base. 6 holes. Two brass plugs with black bakelite tops. Obtained from Perth WA 2007.

324. US McElroy oval based S–600 Super Stream-Speed Bug. c1940. All chrome plated. Black bakelite finger and thumb pieces and circuit closer knob on right hand side. Two terminals on right side, two round weights. Label reads ‘Radio Telegraph Apparatus BY WORLD’s CHAMPION RADIO TELEGRAPHER. T. R. McELROY BOSTON MASS U.S.A. Three base mounting holes. Measures 190 x 93mm. Cord and US style wedge.

325. Australian Simplex Auto semi automatic key. S#4119. (7th model). All nickel plated. Base measures 149 x 76mm. Square bridge with label reading ‘THE SIMPLEX AUTO NO. 4119 (REGD.) MANUFACTURED BY LEO. G. COHEN MELBOURNE. VIC.’ Pivot screw on top. One terminal screw on dash post and the other at rear immediately to left of arm. Round pendulum and weight. Black bakelite finger/thumb pieces. Damper rear left.

326. UK brown army Remote control L No. 2 ZA29007 key. Measures 115 x 50 mm. Plate on base below black knob reads W. REM. CONT. UNIT L–No. 2 ZA29007 PYE P.C. No.92181. V 1954 Webbing straps attached under base at front and rear. Small black bakelite knob. T stamped on connector on left side. Both straps marked Z1/2 838 and D ↑D with another unreadable stamp. Key used with sets No. 62 and C12 from late 40’s to 60’s. This is the miniature type used with clandestine sets B2 and A MkIII. Two pairs of headphones can be connected to sockets on right side. Left side has 4 point socket for microphone and a pair of slotted terminals for connecting the control line to the set Control Unit L No 1. Obtained from St Huberts Island NSW August 2007.

327. UK army ‘Baseboards’ SX DX set. Mounted on wooden base 380 x 380mm. Base slides out to give access to wiring under top of base. Clockwise from top left — Terminal U, stamped BASE BOARDS SX & DX No. 346 A.O.S. With D and ↑ under. Terminal D, ZL, CL, Z, C, 2 terminals for RHEOSTAT, two terminals for SOUNDER. Double current key (#328) mounted on bottom right. To left of key and left of rheostat terminals are two brass guides to enable Rheostat D (#329) to be interchanged with the (#330) sounder. Behind sounder/rheostat is BPO relay (#331). To right of relay is a galvanometer (#332). Behind key is leather strap covering three holes which hold the plugs for the rheostat D. In the centre of the board is a duplex switch (changes from simplex to duplex operation) See #333.

328. UK double current key. Ebonite base measures 202 x 112mm. Three terminals at rear, one either side towards front. Stamped at front marked H. WHITE & Co. No. 5284 III 1919. Send/receive switch front left.

329. Rheostat D. Wooden base 178 x 120mm. 103mm high. Brass plate under base stamped THIS PLATE IS PART OF THE BASEBOARD SX & DX & SHOULD BE DETACHED FROM SOUNDER OR RHEOSTAT IF THOSE INSTRUMENTS HAVE TO BE REPLACED. Wooden case with ebonite top. Two rotating arms with ranges 0 to 4000 on left and 0 to 400 on right. Brass block at rear with 4000, 20 and 10. Above is ↑. Two terminals at back. Stamped on front SILVERTOWN No 8 11 1925. These replaced Rheostat C (see # 513).

330. Heavy UK type sounder. All brass fittings. Brass sub base 92 x 59mm on wooden base 133 x 88mm. Two terminals at rear. Large spring adjusting knob. Mounted on wooden sub base with brass plate under to enable it to be slipped into guides on #327 above.

331. UK BPO relay. Wooden base 130mm diameter, 126mm high. Stamped R200 twice on opposite sides of base. Brass cylinder with

glass opening top. Terminals D Ⓓ U Ⓤ M T S. Adjusting knob on

right of case which is marked SPACING ↶ MARKING ↷ above knob. Top of cylinder under glass is stamped SILVERTOWN No 4141 II 1917.

332. UK galvanometer. Wooden base 115 x 73mm with brass plate under, 136mm high. Metal top rounded case with brass thumbscrews either side. Brass bezel with dial marked 0 to 70 on either side. Stamped W. & J. GEORGE Ltd 267 1901. Four large brass terminals at rear with connecting brass plate. Wooden strip on back above terminals. Crossed lines marked into back.

333. Duplex switch. 6 terminals. Wooden base 100mm diameter, 25mm high with ↑ stamped on top. Slide lever marked A.T.M. Co Ltd II 4251 1918.

334. Magneto generator. Used in the Wheatstone ABC and also in telephony.

335. Australian PMG Junior Postal Officer’s cap (formerly designated Telegraph Messenger up to 1946). Navy blue peaked cap with chin strap. Black buttons (metal buttons also used) either end of chin strap. P.M.G. embroidered in red on front. Inside marked MX 7 in circle. Also has white waterproof cover marked C7 inside. A similar summer white cotton cover was also provided.

336. US Nye key. Black wrinkle finish base (85 x 50mm), brass fittings. Black bakelite knob (with skirt) and circuit closer. Under base marked WM. M. NYE CO. IBC. BELLEVUE. WA. made in U.S.A. H15-68. Contained in original box labelled TELEGRAPHY KEY 114 - 312 - 004 WM. M. NYE CO., INC. BELLEVUE , WA. 98005 and with NYE logo. Also in box is slip concerning silver contacts and leaflet ‘Some recommendations for learning to send and receive code’. Also has yellow cord and plug. Obtained from Queensland Jan 2008.

337. Australian vertical semi automatic key made by Georg Goerge NSW. Base and back plate lacquered brushed brass, fittings steel. Two red paddles. Has 2 extra weights and extension arm. Two terminals on base and right rear. Base measures 94 x 70mm x 150mm high. Label reads Oz Bug No 03 and label on left rear reads Ron. Obtained from maker January 2008.

338. Australian made sign ‘Electric Telegraph’. Clear glass 170 x 120 mm with blue lettering. Morse symbol under key is ar (meaning another). Obtained from Melbourne 2006.

339. US Bunnell Triumph key. Oval base 75 x 50mm. Marked 1001A under base. All brass fittings except steel arm and closer plate. Spring missing. Black bakelite knob and circuit closer knob.

340. Australian trembler bell, black bakelite base 95 x 70mm. Bell 64mm diameter 2 stamped underneath.

73/RC/IBN stamped under support arm. Black metal cover. 2 terminals at rear.

341. US Vibroplex J36, black base 160 x 90mm. Label missing from base. Replacement finger/thumb pieces and circuit closer unit. Replacement damper wheel and pivot.

342. Four bar switch. Marble base 120 x 76 x 26mm. Four brass plates – earth at rear 113 x 20mm with curved section at back and high top screw for connection. Front left bar 147 x 20mm with two connections and sawtooth (lightning arrestor) rear edge; plug connection to earth and bar on right of it. Centre bar 26 x 20mm with two connections, sawtooth rear edge, two connections and plug connection between right and left hand bars and earth bar. Right bar 26 x 20mm with sawtooth rear edge and two connections with plug connections to earth bar and bar at left. Two non matching large plugs. Exact usage not known, but would be for switching and earthing circuits. Obtained from Uralla NSW 2008.

343. UK horizontal galvanometer. Brass base measures 900mm diameter and 470mm high. Glass top. Dial has 4 quadrants numbered 0–90 each. Marked TELEGRAPH WORKS SILVERTOWN LONDON N

o5594. Full

pointer. Bracket across centre of dial. One terminal on each side. Stamped 35 under base. Used with Wheatstone bridge. Obtained from UK 2008.

344. Australian PMG early brass key on wooden base 118 x 77mm. Two terminals on left. All brass fittings. Originally made with no provision for circuit closer. Therefore used for duplex and open circuit working. No jigger jack. Later bakelite circle pattern knob. Under base scratched VK2XN. Obtained from Ettalong Beach NSW 2008.

345. Australian early PMG brass key on wooden base 118 x 78mm. Three terminals on left. All brass fittings. Originally made with no provision for circuit closer. Therefore used for open circuit working. No jigger jack. Wooden knob. Under base stamped PMG S123 7 C2644-40. Obtained from Ettalong Beach NSW 2008.

346. Australian or U.K 50 Ohm (tested 53.14 ohms) Repeating sounder. All brass fittings mounted on wooden base 170 x 93mm. Three main brass pieces are rough brass. All other fittings polished brass. 4 terminals (2 at either end). Long arm with contacts at top and bottom of end. Coils are shunted. Central anvil carries contact and has spring tension mechanism through centre. Removed from WA railway station in 1944 with #193, #195 and #196 and all four thought to have been used together. Obtained from Cowra NSW 2008.

347. Australian modem with external interface for use in dial up. Made up from cream standard ‘Sendata’ 300 baud modem 230 x 148mm. Black Interface box measured 78 x 53mm. Front has switches for modem/phone. Bell ANS/CCITT and Originate/Answer. Lights for power, OL, TX, RX, and CD. Rear marked 24V signalling Circuit. +KEY– +Sounder– WARNING Do not connect external battery to KEY or SOUNDER terminals. Power 240V A.C. 50 HZ

348. Australian modem with internal interface for use in dial up. Made up from cream standard ‘Sendata’ 300 baud modem 230 x 148mm. Front has switches for Answer/Originate and Phone/Modem. Lights for Pwr, O/L,TX, RX, CD and CCITT. Labelled Morsecodian Morse Modem. Rear marked Line, Fuse, 500mA 240V A.C. 50 Hz. CCITT Modem BELL 150Ohm (reserved), 20 or 900 Ohm (Both sw on), Sounder Res., Line. Connections for + Key – + Sounder – , Power 240V A.C. 50 Hz. WARNING Do not connect external battery to KEY or SOUNDER terminals.

349. Australian adapter for conversion of 3 terminal paddles to 2 terminal. Black plastic box 230 x 65 x 45mm. Rotating volume control on front with switch marked ON. Rear has switch Delay and Off and two sockets KEY and SOUNDER. With two plugs, cables and connectors for key and sounder.

350. Heavy metal trembler bell. Base measures 121 x 74mm; 85mm diameter bell. Block marked G13? on left and G? On right. Would have been used in conjunction with #181 to draw attention to an open circuit.

351. Australian army WT8AMP No 2 made by AWA. Mounted on wooden base 140 x 48mm. Black bakelite knob and skirt embossed 2018A2-14. Label reads TYPE 3R2018 SERIAL MORSE KEY with AWA logo in centre. Key arm stamped D↑D. Complete with cord and plug. Used with 3BZ (1944) and AMC145 (which was a Reciprocal Lend Lease version of the 3BZ supplied to the USA) radio sets used by Coast Watchers. Obtained from Adelaide 2008.

352. Australian early modem and interface. Plastic box 360 x 174 x 81mm mounted on wooden base 253 x 381mm. Rear of wooden base has sockets for K (key) and S (sounder). Front panel of box embossed Telecom Australia S388/952 Datel Service. Plate reads RTS RLSD 300 BPS AC Data Modem. Test Orig and Ans switch, knob, S388/878, ‘off’ switch below, fuse, power light and ‘on’ switch at right. Top box (Carpenter relay?). Rear section ‘Power on’ light at left, ‘line’ ‘local’ switch at right. Label on top reads ‘This has a mercury switch here-in. THIS SIDE MUST BE UP AT ALL TIMES.’ Front reads ‘Telegraph modem interface Simplex.’

353. Morse Register (Inker). Brass housing with clockwork mechanism (large T winder) and two electro magnets. Tape is ink marked as it passes through the body where an ‘ink well’ is located. Five brass terminals at rear of wooden base. Complete with reel holder, tape and arm. Also wind up stand with reel holder to hold used tape. Small flat switch at front to start and stop clockwork motion. Base measures approx 300 118mm. Main unit 160mm high. Similar style to #230. Stamped on body ‘Siemens Brothers & Co. Ltd LONDON. No. 18694.’ (this dates the register post 1880). Five bars at rear stamped A B 1 2 3. Obtained from Canowindra NSW 2000.

354. UK brass horizontal galvanometer 105mm diameter and 50mm high. Scale 1 – 40 each side of zero. Coils visible under glass. Needle lock located at base of needle with knob on outside of case. Contained in wooden box 248 x 156 x 102 mm with slot for view of dial and two terminals. Box carries label ‘The PHŒNOX OVERELLS Ltd BRISBANE’ and logo of Phoenix. Obtained from Sydney 2009.

355. Australian PMG relay. Black bakelite base 68 x 68mm with plug at each corner. 8 pins in centre. Black bakelite cover 113mm high 63mm diameter. Overall height 145mm. Inside frame marked 255A. Obtained from Albury 2009.

356. US Main Line sounder. Wooden base 141 x 76 mm. Stamped on side 100 OHM MAIN LINE SOUNDER 15–C. Brass coil covers (should be painted black). Striker bar stamped J H BUNNELL & Co. NEW YORK U.S.A. Brass plate stamped GHEGAN PATENT JULY 16 1901. Feathered arrow on top right hand large adjusting screw. Obtained from USA 2009.

357. UK F17 key. Copper coated all metal. Base 84 x 42mm. Stamped under base and under arm I76. Contacts front and rear and right side of trunnion. Usually mounted on a wooden base alongside a send/receive switch (See bottom pic). May have been based on DC/163/16 made by Signalling Equipment Ltd (SEL), a subsidiary of J and L Randall Ltd which was a toy manufacturer based in Potters Bar Middlesex. GPO may have used them when they ran out of their brass double current keys. Both black wrinkle finish (as this one) and smooth finish. Black bakelite knob. Obtained from Greece 2009.

358. Australian Victorian colonial brass uniform buttons. Each 22mm diameter.

Crown in centre. Embossed POST OFFICE VICTORIA in ‘belt’ on outside. Reverse side engraved STOKES & SONS MELBOURNE. Obtained from Melbourne 2009.

359. UK Reversing key (Mark III). Post Office pattern A1230. 4 terminals at rear, 2 at side. Fittings and cover of

polished brass. Two contacts fixed to subsidiary steel levers pivoted on, but insulated from the trunnions of the key. The contacts always short circuit in passing from the upper to the lower position and vice versa and cannot be arranged to break circuit. Can be used as either A or B key. Wooden base (Mahogany) 210 x 120mm. with ebonite sub base. All brass fittings with wooden knob. Stamped Silvertown London under knob on upper base. Used in quadruplex working. Does not have R/S switch). Obtained from New Zealand 2009.

360. Australian New South Wales colonial galvanometer. Wooden base 156 x 65mm. with terminals on each side and shunt in front. Stamped 7800 on right end. Brass cover 125 x 137 x 50mm. with 105mm diameter bevelled edge glass dial cover secured with 4 brass bolts. Main cover has brass lid 140 x 60mm with centre needle adjusting knob. Stamped 50 underneath. Dial divided into 4 segments each 0 – 80. Marked ELECTRIC TELEGRAPH DEPT N. S. WALES. Wooden magnet frame at rear marked 4 x and R. Believed to be 1860 – 70 vintage. Obtained from Brisbane 2009.

361. Australian brass ship signal lantern. 108 x 210 x 150mm. Compartments for black wooden key knob, main front for key and light with opening for three rotating discs and lens, rear for battery and small metal container for spare globes etc. Label on front reads LANTERN SIGNALLING PORTABLE ELECTRIC PATTERN 4298 R. J. PARSONS, ENGINEER, ENFIELD, N.S.W. Label on top reads KEEP THIS SIDE UP TO AVOID SPILLING ACID. Leather carry handle. Believed to have been made for the Royal Australian Navy. Obtained USA 2009. A similar known unit is stamped on the top ‘HMAS AUSTRALIA RAN BRIDGE’. This is thought to be the WW1 HMAS Australia.

362. Australian P.M.G. telegram delivery bag. This type was introduced in 1936. Previously a bag on a shoulder strap was used. Pig skin and leather bag with attached adjustable leather belt. Measures approx 180 x 140 x 45mm. Leather divider inside to provide compartment for cards which were left when nobody at home to receive delivery. Plain metal clip and keeper. Keeper embossed around circle ‘POST OFFICE COMMUNICATIONS AUSTRALIA’. Earlier bags such as I used in 1946 had the ‘Mercury’ Clip – see pic below right and #563. Obtained from Ballarat 2009.

363. Australian adaptor to enable signals from computer to be read by sounder. All black bakelite box 113 x 58 x 42mm. Four metal terminals and two black bakelite terminals plus switch. Label reads ‘BATTERY FOR 20 ohm + SOUNDER-RELAY – 3.0v – 4.5v’ Computer connection on left.

364. Australian Type D air force key. Heavy brass key on ebonite base 182 x 100 x 64mm high, bakelite knob.

Bakelite screw on cover with hole for knob. Has heavy spring mounted electrical contacts. As lever is depressed the 1½" silver contacts close and at the same time wipe diagonally against each other. This makes a more reliable contact and may reduce contact arcing. Has internal wiring connected to on/off switch mounted

on cover. Cord and plug fitted. Cover embossed ‘KEY. MORSE. Type D. REF. No.10F/7373 A (♔) M SERIAL No.

beneath label reading ‘MANUFACTURED BY WESTON ELECTRONICS PTY. LTD. Sydney S/N (Perhaps the correct wording on the attached label might have read ‘adapted by’ rather than manufactured) Weston made electronic equipment for the Royal Flying Doctor Service and this may have been an adaptation for RFDS. Obtained from Melbourne 2009. (See UK version at 107).

365. UK Tangent galvanometer. Three legged black base with brass levelling screws 115mm apart with attached horizontally rotating ‘ring’. Ring has four brass terminal screws; between left pair ← 2 → centre ← 50 → and between right pair ← 500 → . Horizontal line centre of ring. On reverse stamped PHILIP HARRIS L

TD

BIRMINGHAM ENGLAND No 20920. Dial sits on three pegs and located into brass stem attached to centre of

base and reads PHILIP HARRIS L T D BIRMINGHAM, ENGLAND. Numbered 0 – 90 in four quadrants. Obtained from UK 2009.

366. Australian commemorative glasses. Base 45mm diameter, rim 60mm diameter, height 116mm. One side

depicts a Telegraphist with appropriate gear and gold coloured wording CHIEF TELEGRAPH OFFICE LT. BOURKE STREET MELBOURNE 1927 – 1987. Opposite side depicts a Phonogram Operator and typewriter with words COMMEMORATIVE GLASS. (LT abbreviation for Little). These were issued to Telegraphists and Phonogram Operators on the closing of the Melbourne C.T.O. Obtained from Melbourne 2009.

367. 10 Australian PMG Department metal buttons. 23mm diameter

used on male uniforms worn by Telegraph Messengers, later in 1946, designated Junior Postal Officers, Postmen, later designated Postal Officers and Motor Drivers. Front embossed POSTMASTER GENERAL’S DEPARTMENT • Reverse stamped A. J. PARKES ○ BRISBANE. Also made by Stokes & Sons Melbourne. See #306.

368. UK WW1 Army Direct Sounder Intermediate Sounder type set comprising key, sounder and galvanometer.

Wooden base 228 x 169 x 37mm. stamped F rear left side and 2DS on front. All brass fittings. Two terminals at rear marked E and L on left side and Z and C on right side. Key stamped on left side of arm WALTERS ELEC

TL

MFG

CO L

TD 1900. 1917. Wooden knob. Sounder stamped G.P.O. 2395 on rear of base plate. Set originally

contained in wooden case. Obtained from Melbourne 2009.

369. Australian learner key. Wooden base

135 x 68mm. Brass fittings with black plastic knob. No markings. Obtained from Yass 2009.

370. UK Marconi 365FZ maritime key. Black knob and base measures 164 x 99mm. Front left of base has label MARCONI MARINE with M logo above. Three terminals marked B E F. Two spare contacts at rear where marked SPARE CONTACTS. Ball bearings in fulcrum with casing marked G M N 626/635 X14 GERMANY. Grey metal hammertone cover 116 x 91 x 52mm with screw in centre. Under cover marked EDDYSTONE 6908P. Label at rear reads TRANSMITTING KEY TYPE No. 365FZ SERIAL No. MADE IN ENGLAND THE M.I.M. Co. Ltd. CHELMSFORD. Obtained from UK 2009.

371. Australian Air Force Switchbox Identification unit. 85mm diameter 38mm high. Key on top right, tensioner on

top left, 3 connection points at base. Front reads REF. No

5c/372 DOWNWARD MORSE UPWARD MORSE. ♔

with T T (most likely part of the crown design) in centre A M Australia OFF OFF AID 256 on both left and right centre. STEADY SWITCHBOX IDENTIFICATION N

o 2 MARK III Back stamped TESTED MSV 93 IN OVAL

***720. Case opens from right. Inside left of case has paper insert with diagram and instructions. Obtained from Canberra 2009.

372. U.K. Wheatstone paper tape perforator. All brass 160 x 18 x 35mm. 8 stamped rear left, 623 under cover back edge. 3 buttons on front; dots left, space centre, dash right together with two mallets (not matching) one 90mm long other 85mm long, rubber tipped. Paper tension clip centre left and spring tape guide centre right. Hinged lid. Obtained from UK 2010.

373. U.S. A. B. Lyman key. All metal with brown bakelite knobs. Circuit closer stamped A. B. LYMAN CLEVELAND O. See Lyman sounder at #221. Obtained from USA 2010.

374. U.K. Navy Masthead lamp/bridge key. c1890s. Ebonite base 136 x 74mm. All brass fittings. 2 terminals at rear. Wooden knob and locking knob. Locking arm with cam, when locked allows the masthead lamp to remain in the ON position. Obtained from Lemon Tree Passage NSW 2010 and reputed to have come from an Australian warship.

375. U.S. Knott horizontal galvanometer. D’Arsonval movement. Jewelled bearing 0 centre. Wooden case 133 x 133mm.Two terminals at front. Owing to the form of the pole pieces the scale is proportional to the amount of current going through, thus giving the instrument a range of usefulness far greater than its sensibility would indicate. Metal case embossed ‘L. K. Knott Apparatus Co. Boston, Mass.. U.S.A.’ Dial reads 0-25 each side and Horizontal Galvanometer 93-195 below. Used with Knott Wheatstone Bridge #227. Obtained from U.S. 2010.

376. U.K. R.A.F. key. Marconi Air Ministry Model AM10/F94. c1930s. Mounted on wooden base 140 x 74mm

Stamped ♔ over 597 to left of knob. Ebonite sub Base 95 x 40mm Stamped on side P, S 5785A. Stamped under

main base P. S 4707E. P. indicates made by a Marconi company. Wooden knob. Obtained from U.K. 2010.

377. Australian P.M.G. switch used on telegraph test boards. More commonly used on telephone switchboards. Black metal plate 54 x 28mm. Overall length 105mm.

378. Australian P.M.G. black bakelite buzzer. 75 x 75 x 37mm. Cover reads Made in Australia NC FEDERAL DC .3V AC .5V. Two coils. 2 terminals.

379. Japanese Hi Mound HK808 key. Black bakelite base 115 x 60mm on marble base 153 x 88mm with lower plastic base 168 x 103mm. Chromed fittings. Two terminals at rear. Bakelite knob and skirt. Skirt broken and repaired. Clear plastic cover marked HIMOUND. Label on lower plastic base marked Hi Mound model TELEGRAPH KEY HK-808 Hi MOUND ELECTRO CO. LTD. HI MOUND JAPAN stamped under lower base. VK2DPC N9599UD scratched under base. Obtained from Sydney 2010.

380. Japanese Navy key (possibly made by Matsushita), black ebonite base 136 x 67mm. Brass fittings. Two terminals at rear. Strap from anvil to arm. Post on front right of arm is to secure the key in a metal case, from the top. Black bakelite knob and skirt. A similar steel key was used by the army. Obtained from Sydney 2010.

381. U.S.A. Bencher paddle. Black wrinkle paint metal base 101 x 95mm. Label on left of base reads BENCHER CHICAGO. Two clear plastic triangular paddles. Large spring centre. Scratched under base. VK2DPC N9599UD. Obtained from Sydney 2010.

382. Australian Simplex Auto semi automatic key. S# 4728. 8th model. All nickel plated. Base measures 155 x 75mm. Square bridge with label reading THE SIMPLEX AUTO NO. 4728 (REGD.) MANUFACTURED BY LEO. G. COHEN MELBOURNE. VIC. Pivot screw on top. Damper rear left. Cord attaches under base to dash post and bridge screw. Round pendulum and weight. Black bakelite finger/thumb pieces. Obtained from Yass 2010.

383. U.K. Siemens key. Wooden base 120 x 105mm with 3886 stamped on vertical back side. All brass fittings. Front

base of anvil stamped SIEMENS BROs & C

o L

td LONDON. (This dates the key post 1880). Wooden knob. Long

brass bars front and back with contacts in centre of each. Two terminal screws on left of each bar and third left anvil base. Obtained from Hobart 2010.

384. Australian knife switch. Porcelain base 95 x 33 x 15mm. Embossed Earth Aerial Receiver. Brass fittings. Obtained from Yass 2009.

385. U.K. Increment key. Post Office pattern. Wooden base 143 x 105 x 20mm with ebonite sub base. All brass fittings. Wooden knob and send receive knob. Two terminals on both left and right sides. Round metal label on front of wooden base A.T.M Co. Ltd LIVERPOOL with ATM (Automatic Telephone Manufacturing Co. Ltd.) in inner circle. R

.35 stamped on rear wooden base. Ebonite send receive keeper. Single lever carries adjustable

upper contact at the back. It is like a single current key in that when actuated it alternately opens and closes two circuits, but unlike this key, it short circuits instead of breaking when passing from one position to the other. Used in quadruplex working. Similar key made by The India Rubber, Gutta Percha and Telegraph Works Co. Ltd. Obtained from Hobart 2010.

386. U.K. army polarised sounder used in Tyer baseboards sets comprising double current key, galvanometer, relay and sounder. Ebonite base 140x 75 x 16mm with screw held cover beneath. Three terminals at front of base marked S T M (space, tongue, mark). Side of base stamped A. T. M. C

o L

TD . 1915 2784. All brass fittings. Brass

base plate stamped ↑. Two terminals at rear. Obtained from Albury 2010.

387. Australian radio key. Black painted wooden base with red felt under 152 x 73 x 15mm. Wooden knob. Stamped on front left TESTED 87/A. Plate on front reads AMALGAMATED WIRELESS (A/sia) L

TD N

o 97/2135 SYDNEY.

N.S.W. Attachment reads 250V 1870 MADE IN SWEDEN -40 TO + 85oC. 2µF . Rifa in circle. Key based on UK

pattern. Cord attached. Obtained from Brisbane 2010.

388. Wheatstone keyboard tape perforator. These were used by Beam Wireless and made by Creed and Co. Ltd. Has standard keyboard which perforates paper tape. Tape and punch mechanism driven by 1/10 H.P. electric motor. Approx 470mm wide, 290mm deep, 295mm high. Label on lower front left reads PATENT NOS. 191093 MODEL N

o 9/W SERIAL N

o 5875 CUSTOMERS MARKING. Label on motor reads

.REF No 27 MOTOR No.

235492. P.O. No V240 ~ A4 H.P. 40 R.P.M. 1400 THE CROYDON ENG. CO. LTD. CROYDON, ENGLAND. Obtained from Albury 2010. Also has three punched tapes and one unused tape.

389. Unknown mini jigger. Almost certainly made in Australia. At least one other similar known to exist. All chromed metal with Perspex paddle. 100 x 62mm 2 weights; 1 round, 1 rectangular. Owned by silent key Arthur Thurstan VK2AV and kindly donated by son Jim Thurstan, Sydney 2010.

390. Australian section switch pre 1900. Double Ebonite base (unusual) measures 119 x 73mm . Two end brass

earth bars (stamped E) measure 66 x 22 mm, left with V.T.S. and ♔ in circle (Colonial Victorian Telegraph

Service) and right earth stamped 1162. 4 central bars stamped U (up line) D (down line) and I I (instruments) measure 23 x 33mm. Two threaded plugs. Later used by Australian PMG Dept. throughout Victoria in small Post Offices.

391. Australian section switch post 1900. Ebonite base measures 120 x 73mm. Two end brass earth bars (stamped E); left stamped P.M.G and right 7139, measure 55 x 22mm. Each earth bar carries a threaded knurled terminal screw. Four central bars stamped U (up line) D (down line) X Y (instruments) measure 24 x 34mm. Holes take unthreaded plugs (missing). Used by Australian PMG Dept. throughout Victoria in small Post Offices. Obtained 2010.

392. Wheatstone Bridge contained in wooden box 248 x 171 x 171mm with brass clips on both ends. Lid slides off

at hinges. Inside lid padded and covered with velvet. All brass fittings. Top row 10 100 1000 either side. Other rows 1 to 4000. Full 23 plugs. Front left key marked KEY 1, right marked KEY 2. Top stamped MANCANIN. STANDARD OHMS AT 15.5

o CENTIGRADE. MUIRHEAD & C

o L

td IV N

o 53 1910 . The arrow and terminals

indicate that this set would have been for military use.

393. Australian army Key W.T. waterproof (Aust) No 1. Black metal base mounted on hard black rubber sub base which measures 125 x 46mm. Black metal fittings with black bakelite knob and knurled terminal screws. Rubber shrouded contacts. Brackets on either side for straps to be used as leg key. Front left of metal base stamped Z1/ZAA 7990 KEY W/T N

o. 1. Centre top of arm painted 1223 below ↑. These keys were used with the

first version of Wireless set No. 128 and date from 1946. The later keys used with Wireless set No. 128 MK2 (1952) carried a riveted strip over the number which was stamped Z1/ZAA 0274. Obtained from Ballarat 2010.

394. Australian ‘Shurdot’ semi automatic key. Black base 166 x 76mm. Two terminals on right hand side. Bridge type damper with rubber tyre wheel. Bakelite finger/thumb pieces and circuit closer on front right. Label reads ‘SHURDOT’ MORSE KEY MADE BY J. SCACH 10 RANDALL ST MORDIALLOC. ‘Scach’ is an abbreviation of his correct name ‘Scachiemento’. This may be an earlier model than #116. Foot near dash terminal located at corner. Circuit closer screw right through base and longer circuit closer. Obtained from Albury 2010.

395. Australian ‘in line’ Pendograph. early 3rd model. Nickel plated metal base 112 x 83mm. N.S.W.G.R. (New South Wales Government Railways) and unreadable number stamped on right hand side of base. Rectangular label right hand side reads ‘MACDONALD’S PENDOGRAPH PATENT 11389 ADELAIDE. S. A.’ Vertical pendulum at rear with one weight and rubber bumper. Rectangular frame attached to rear posts with joining sleeve. Replaced in later models by metal strap. Central buffer and lug under base with threaded hole to take base securing screw. Two red compressed vulcanised fibre thumb and finger pieces. Long dot and dash arms. Terminal screws on right rear post. An extremely rare model. Obtained from Goulburn 2010.

396. Australian Simplex Auto semi automatic key. S# 361. 3rd model. Black painted base 53 x 75mm. Nickel plated fittings. Square bridge with semi circle cut out on rear right. Label on bridge reads THE SIMPLEX AUTO REGD No 361 LEO. G. COHEN TELEGRAPHIST C. E. T. O. Melbourne. Square pendulum. One terminal screw on dash post and the second immediately to left of arm at rear. Damper centre rear. Top pivot screw. Black bakelite finger/thumb pieces. Obtained from Goulburn 2010.

397. Australian Wheatstone telegrams. Tapes are pasted to large form and then transcribed to normal writing or typewriting. All dated 1924 from Wagga Wagga N.S.W. Laminated back to back.

398. Two Australian telegrams repeated at Wagga Wagga N.S.W. for Narrandera N.S.W. Dated 1924. Laminated with one of the forms at 397.

399. Australian Simplex Auto semi automatic key. S# 512. 3rd model. Black painted base 53 x 75mm. Nickel plated fittings. Square bridge with semi circle cut out on rear right. Label on bridge reads THE SIMPLEX AUTO REGD No 512 LEO. G. COHEN TELEGRAPHIST C. E. T. O. Melbourne. Square pendulum. One terminal screw on dash post and the second immediately to left of arm at rear. Damper centre rear. Top pivot screw. Black bakelite finger/thumb pieces. Obtained from Albury 2010.

400. Australian P.M.G. Lead seal pressers. Approx 165 x 65mm. Stamped on side and jaws T.P.O. P.M.G. N.S.W. 64. Item used to seal lead seals threaded on the ends of string which tied mail bags and also lead seals on public telephone tins. String cutter on left. This is not directly related to telegraphy, but on rare occasions where communication lines were cut, telegrams would be copied at the originating office, sent to the nearest and quickest point by mail and then to their destination. T.P.O. indicates Travelling Post Office which was an office within railway vans attached to mail trains to provide a quick overnight mail service to towns along the rail route. Contained in original bag marked Postmaster General Sydney N.S.W. Obtained from Melbourne 2011.

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