Kukat(Sound energy: sound does not spread in a vacuum. We put an electric bell in a closed bell and then we empty it. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
€ 123.18
Enthält 25.5% MwSt.
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Päiväämätön · Engraving
· Kuvan tunniste: 915769
Private Collection / Bridgeman Images |
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