United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 101
layer of fibrous material to a metalbase and then forming a layer or coating ofplastic composition on said fibrous materialand impressing a sound record on said layerwhile in its plastic state. . In witness whereof, I have hereunto signed 100my name in the presence of two subscrib- ine witnesses.… … J^z^^. -^9. WITNESSES
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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