United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 184
phragm and point, substan-tially as set forth. 4. In a phonograph repioducer, the combi- 90nation with the diaphragm and reproducingpoint having a spring tension away from suchdiaphragm, of a solid block of gum rubberconnecting such diaphragm and point, sub-stantially as set forth. 95 This… … ATTORNEYS. : fKJRRIS PCTEflS CO.. PHOTO■CrTHO.. WWHINGTON. D C, United States Patent Office. THOMAS A. EDISOX, OF LLEWELLYN PARK, NEW JERSEYPHONOGRAM-BLANK. SPECIFICATION forming part of Letters Patent No. 488,191, dated December 20, 1892. Application filed January 19, 1889. Serial No, 296,876. (No…
Phonograph · Patents
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