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NOMOGRAM OF SONIC FREQUENCIES II N II

MODULUS OF ELASTICITY 11E II SPECIFIC GRAVI.TY Ui y II

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MODULUS OF ELASTICITY UDY

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.

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MODULUS OF ELASTICITY STUDY -~ --~----

SONIC VERSUS STATiC METHOD . ' · .

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-+· TEST DATA

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Sonic Modulus 5.6 2 X 1 I Time between nms 5 min.

v -- - I

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SON C MOL ·.Jl u<· 2000 ' E. 'I ~· :~ 5

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UNIT STRAIN- 10 INCHES

.

MODUL_US OF ELASTICITY STUDY

SONIC VERSUS STATIC METHOD

- ___ ,_

DATA 3000 t ylinder 4"X 16" I-2CCO . --

G ngth 8' Four Dials Direct

1--- Rate of Compression • r.m in . Soni,c M Ius 5 3X I Time between runs 5 min.

---- --

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CABINET PANEL

SCHEMATIC DIAURAM -UF SONic-At-'1-'AR.crru~­FOR

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POWER AMPLIFIER 42

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2000 .n. 8 mfd

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RESONANCE INDICATOR MAGNETIC CR~STAL---l I SPEAKER SP CIMEN PICK UP

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REVISED 12·8·44