United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 807
on, and a spring for releasably hold-ing said pin in said groove whereby said 85sound box may be removed. Signed at St. Louis, Missouri, this 27thday of June, 1916. ROBERT H. CONE, Je. Copiei of this patent may be obtained for five cents each, by addressing the Washington, D. C. Commissioner of…
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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