Sound energy: refraction of sound by means of a lens formed by a thin rubber membrane and filled with carbonic acid. Anonymous illustration from 1925. Private collection.Anonymous Anonymous |
| € 105.71
Skattefritt Konfigurer kunsttrykk |
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1925 · Engraving
· Bilde ID: 929426
Private Collection / Bridgeman Images |
| 0 Vurderinger |