Engraving depicting and Edison phonograph. Fig. 1: Clockwork driven force. An improvement on the original model which was turned by hand. Fig. 3: Electrical version powered by a wet cell (A). The phonograph was invented in 1877; for the mechanical recording and reproduction of sound by Thomas Edison. Thomas Edison (1847-1931) an American inventor and businessman. Dated 19th century 01/02/1890

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Creative#:

TOP29619058

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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No

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