Sylvania Fluorescent Blacklight Lamps Bulletin 1958

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    alogy, and Hobby fields. lor a blacklight source.BL BLACKLIGHT FLUORESCENT LAMPS (Sfarfer Requiredl

    SYLYANIA manufacturestwo kinds of "Blacklight" fluorescent lampsdesigned to produce ultraviolet radiation at wavelengthsthat cause a wide variety of responsive materials to glowor fluoregce with a broad rangi ol uselul dramatic effects.These Blacklight souiiCs find many applications in SignLighting, Dramatic Display, Theitiical, Scicntific, Miner-

    BL BLACKLIGHT BLUE LAMPS are made like BLlamps, except that the lamp bulb is made of a specialdark blue filter glass that absorbs practically all of thevisible light, yet transmits freely the ultraviolet radiation.

    BL BLACKLIGHT LAMPS differ, from standardfluorescent lamps only in the type and compositionof phosphor used - a phosphor which radiates themajor portion o{ its energy in the ultraviolet (peak-

    ing in the 3500 Angstrom region), rather than in the visiblerange. The clear glass bulb passes some visible blueradiation lrom the mercury vapor arc, also when it isdesirable to suppress the visible radiation, exlernal dee'pblue plate or tube, filters are placed over or around theBL lamps. The {ilters are {requently a part of the fixture,and can repeatedly be used as lamps are replaced. TheBL lamp plus external filter is an economical combination

    This bulb makes it unnecessary to use external filters. Thefilter bulb sfructure is more expensive but the fixture re-quirements are simplified, since the lamp is a completelyself-contained Blacklight unii.

    I#Watls Bulb Base Dascri plio n OrderingAbbrevialion Li tPrice Srd. Pke.Quiniity

    HoursLife

    I T-5 6" Min. Bipin Elackliohi F4T5 / SL $r.6sN 24 r-?5006 T-5 9" Min. Bipin Elacllioht F6T5 /BL t.65N 24 7 6nOt5 T-8 r 8" Med. Bioin Bl a cl liq ht Fr 5T8lBL I.35N 24 7500

    30 T-8 36" Med. Bipin Bla ckli 9 hr F30T8 /BL I.55N 24 7500

    BL BLACKLIGHT FLUORESCENT, RAPID START (No Slqrter Required),+0 T-t2 48" Min. Bipin Bla clli q hi F40Tr2lBLlRS I.65N 24 7500

    BLB BLACKTIGHT BIUE FTUORESCENT LAMPS (Sfqrter R

    Both types of blacklight lamps are fluorescent lamps andtherefore operate in the same circuits and with the sameequipment as equivalent wattage sizes of fluorescentlamps.

    (Names o{ companies which supply blacklight paints,fabrics, inks, papers, filters, etc. will be supplied on requestto those interested.)

    SYLVANIA ELECTRIC PRODUCTS INC.60 BOSTON STREETFt"-595A 3-58 HP-l0M

    FLUORESCENT. RAPID START {No Storter Required)F4OTI 2/BLB/RS

    SALEM, MASS.