United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 373
3ia-uc^>vtoT ^^ t/<^ W^^^^^- ^ ^^St-t-t-Vd (^ ANDREW a GRAHAM CO ,MOIO-LrrM0<y,*PH£RS WASHINGTON. D C UNITED STATES PATENT OFFICE. THOMAS H. MACDONALD, OF BRIDGEPORT, CONNECTICUT, ASSIGNOR TO AMERICANGRAPHOPHONE COMPANY, OF BRIDGEPORT, CONNECTICUT, A CORPORATION OFWEST VIRGINIA. DISK…
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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