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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 233

An illustration from [Graphophone patents], 1878, leaf 233
t and slidable on 90said bar. In testimony whereof, we have affixed our signatures. DAVID FREDERICK McQUIRE.KENNETH DOUGLAS McQUIRE. Copies of this patent may be obtained for five cents each, by addressing the Washington, D. C. Commissioner of Patents, V urtflr nurnuwji rniJhwi-j a * **… … *?o /JO -7& elvn>*4vtoT ^5 7K- J?i±y^ £Utot*%ay 1,254,425. H. C. MILLER. SOUND BOX. APPLICATION FILED APR. 10, 1914.

Phonograph · Patents

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