Artefacts
Bryant’s Phonographic Acoumeter
Post Date: May 21, 2024
Last Modified: May 21, 2024
Bryant’s Phonographic Acoumeter
Maker:
William Sohier Bryant
Part of Companion:
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.
Post Date: May 21, 2024
Last Modified: May 21, 2024
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