United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 676
Patented Nov. 12, 1901. No. 686,321. F. MYERS. PHONOGRAPH. (Application filed Dec. 26, 1900.1 2 Sheets— Sheet i. (No Model.; … cJ-MAJe-M/to^ a 9 CO. PHOTO-LITHO. WASHINGTON D (
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.