United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 827
e of said plate, 30means for limiting the movement of saidplate towaid said diaphragm, a yieldinggasket between said diaphragm and saidplate and held in position by said plate, andmeans for clamping said plate against said 35gasket. In witness Avhereof I have hereunto setmy hand this eleventh day… … QJ^,^.
Phonograph · Patents
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