Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 153
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iyzZ4>& W^/OUtZ^ CharlesL. Cfiidholm i nventor Attorneys No. 814,941. PATENTED MAR. 13, 1906. C. L. CHISHOLM.PITCH INDICATING ATTACHMENT FOR SOUND REPRODUCING MACHINES. APPLICATION FILED AUG. 8, 1005. 5 SHEETS-SHEET 5 Jig. 10. … WitnessePhonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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