United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1057
dy on a horizontal axis situated be- nolow the plane jof the pivot plate, a weightpivoted to said pivot plate on a vertical axis, a stylus lever pivoted to said weight andconnected to said diaphragm and a styluscarried by said lever, substantially as set 115forth. This specification signed and… … JTF.i
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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