Vibratory movements: formula of the frequency of the number of peats per second. Anonymous illustration from 1925. Private collection.(Vibratory movements: formula of the frequency of the number of beats per second)Anonymous Anonymous |
€ 98.15
Enthält 0% MwSt.
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Udatert · Engraving
· Bilde ID: 925373
Private Collection / Bridgeman Images |
0 Vurderinger |