Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 987
![An illustration from [Graphophone patents], 1878, leaf 987](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten07unit-987-633.webp)
-t * i 2 1 J%P* KV^SWWJ -^ 33 :© :© $/S///////////,////s///////////////////////////////7k J^ty* -^^ … ^5&t r«t NORRtS FETEBS CO.. WASHINGTON, D. C UNITED STATES PATENT OFFICE. JONAS W. AYLSWORTH, OF EAST ORANGE, NEW JERSEY, ASSIGNOR TO NEWJERSEY PATENT COMPANY, OF WEST ORANGE, NEW JERSEY, A CORPO-RATION OF NEW JERSEY. PROCESS FOR MAKING DUPLICATE PHONOGRAPH-RECORDS. No. 855,554. Specification…Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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