United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 207
in the presence oftwo subscribing witnesses, this 27th day ofJanuary, 1915. JOSEPH HUNTER DICKINSON. Witnesses: J. F. Meade, E. W. Schebr, Jr. Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. ^•jrltA rnurnuiw <rr, i am i. y… … fA.cf: 5>. g: Z2 20 WITNESSES
Phonograph · Patents
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