United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 49
65a spring support forming a fulcrum for thelever, an adjusting screw under said sup-port, a diaphragm, and means for connect-ing the lever to the diaphragm. In testimony that I claim the foregoing as 70my own, I have hereto affixed my signaturein the presence of two witnesses. NATHANIEL… … ri^ 5. Fiq4-
Phonograph · Patents
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