The 'Double Siren' by Hermann Ludwig Ferdinand von Helmholtz (1821-1894), German Physicist and Physiologist(The “double siren” by Hermann Ludwig Ferdinand von Helmholtz (1821-1894), a German physicist and physiologist, who studied extensively the mechanisms of hearing.)Unknown artist |
€ 144.77
Enthält 13.5% MwSt.
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Undated · Picture ID: 949979
Private Collection / Bridgeman Images |
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