United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 883
tantially invariable. In witness whereof, I have hereunto setmy hand this 29th day of August, A. D., 751910. ALBERT C. DIEHL.Witnesses: Frank B. Middleton, Jr.,Charles F. Wzllard. Copies of this patent may be obtained for five cents each, by addressing the Washington, D. C. Commissioner of Patents,… … S N<5 ;st:
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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