3480072 Bell & Tainter\'s Graphophone, 1850; (add.info.: Bell & Tainter\'s Graphophone. A recording was made by speaking into a mouthpiece while turning the wax cylinder by a treadle; as in a sewing machine. With an earpiece attachment on the stylus the cylinders could be played back for audio typing.); Universal History Archive/UIG; out of copyright.

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TOP27536770

Source:

達志影像

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RM

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須由TPG 完整授權

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No

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