Resonator by Hermann Ludwig Ferdinand von Helmholtz (1821-1894), German physicist and physiologist. This instrument is used to study the mechanisms of hearing, analyzing and synthesizing sounds(Resonator by Hermann Ludwig Ferdinand von Helmholtz (1821-1894), German physicist and physiologist. This instrument is used to study the mechanisms of hearing, analyzing and synthesizing sounds.)Unknown artist |
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Undated · Picture ID: 1004955
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