United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 858
Patented May 27, 1902. No. 700,937. E. R. JOHNSON. GRAMOPHONE BRAKE. (Application filed Aug. 8, 1800.) 2 Sheets— Sheet I. (No Model.) .3^^. :?. … .<y^t^. ^ , PHOTO-LlTHO.,
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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