Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 773

An illustration from [Graphophone patents], 1878, leaf 773
longitudinally of J05the horn so as to be brought in binding en-gagement with the annular receiving de-pressions for rigidly locking the horn-sec-tions when extended to produce a completehorn. 110 In testimony that I claim the inventionset forth above I have hereunto set mv handthis 15th day of… … * M // J

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.

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