Den "doble sirenen" av Hermann Ludwig Ferdinand von Helmholtz (1821-1894), en tysk fysiker og fysiolog, som studerte mye hørselsmekanismene.(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 |
€ 127.55
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Udatert · Bilde ID: 949979
Private Collection / Bridgeman Images |
0 Vurderinger |