United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 527
ix my signature in thepresence of two witnesses, this 12th day ofApril, A. D. 1915. OSCAR BEECHAM. Witnesses: T. H. Alfreds,Karl M. Doll. 4ft Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. C. y Willf^J. iiVi iiV^<M J- 41 J.… … £& kZO *Jt i trxr ■/wmiii—^ —; /
Phonograph · Patents
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