Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 379

An illustration from [Graphophone patents], 1878, leaf 379
40 12. The combination of a swinging armcarrying the reproducer at one end, a sta-tionary arm having a fixed support, andtrunnions secured to the swinging arm andcarried by the fixed support. 45 In testimony whereof I have signed thisspecification in the presence of two sub-scribing witnesses.… … mTNESSES-:

Phonograph · Patents

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

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