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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 441

An illustration from [Graphophone patents], 1878, leaf 441
cord and a sound-box, having meansadapted to contact with the record, saidmeans being held out of contact therewithwhen the record is at rest, the movement ofthe record serving to bring the said means 45into operative contact with the record. In witness whereof I have hereunto set myhand this 30th… … ^9 o£ 22

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.

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