United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 80
e combination, with 80the carriage, of the diaphragm - supportingframe connected thereto by a sliding joint,and the lever and link mounted on the car-riage for the purpose of adjusting the dia-phragm-frame. 85 In testimony whereof I hereunto set myhand, this 19th day of May, 1891, in the pres-ence… … ^ IJVrMJ^lOSS. S PETEBS CO., PHOTO-LITHO., WASMrHGTON. I I I (No Model.) 2 Sheets—Sheet 2. F. M. & J. A. E. CRISWELL. PHONOGRAPH. No. 470,477. Patented Mar. 8, 1892.
Phonograph · Patents
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