XEE4139935 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. by Anonymous; Private Collection; (add.info.: 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.); Stefano Bianchetti; out of copyright.
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Creative#:
TOP27647214
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
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No
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No
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