Sound and Science

A Database for Sources in the History of Acoustics

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Artefacts

Bryant’s Phonographic Acoumeter

Bryant’s Phonographic Acoumeter

Maker:
William Sohier Bryant

Part of Companion:
Testing Hearing with Speech
(Part of Publication: Testing Hearing: The Making of Modern Aurality)

Details

 

Bryant’s phonographic acoumeter (in soundproof box for restriction of volume to tubes). The main valve is C, the malingerer’s valve is rotating unit D.

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