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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 181

An illustration from [Graphophone patents], 1878, leaf 181
fixed to thepeiiphery of the diaphragm ring in a planesubstantially parallel to that of the dia- 30phragm, a stylus clamp fixed to said spring-plate, and a vibration-transmitting connec-tion between the diaphragm and the stylusclamp. In testimonj^ whereof I have hereunto set 35mv hand April 1908.… … IFig-. 4». Ti^- 6.

Phonograph · Patents

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