Edison-fonometeret - enhet ved hjelp av hvilken et mekanisk verk oppnås ved tale i "" Nature"" 1878.(The Edison phonometer - device by means of which a mechanical work is obtained by speech in “” Nature”” 1878.)Unknown artist |
€ 115.23
Enthält 0% MwSt.
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Udatert · drawing
· Bilde ID: 990891
Private Collection / Bridgeman Images |
0 Vurderinger |