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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 222

An illustration from [Graphophone patents], 1878, leaf 222
d secured to the center of saiddiaphragm and piovided with a finger to con-nect with said stylus, and a damper locatedoutside of said tube and diaphragm andadapted to be forced against said pad, sub-stantially as and for the purpose described. In testimony whereof I affix my signature inpresence of… … U I- > ■ u , TTo Z-^S I Z = J t- z a < Z < 1- <• h : s fez Tf^ ^-H 1 ^ ^w ^^ ^

Phonograph · Patents

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