United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 727
In witness whereof I have hereunto set myhand this 9th day of March A. D. 1907. WILBURN N. DENNISON. Witnesses: Alston B. Moulton,Alexander Park. Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. ( PHOTOGRAPH FATEUT* TALKING… … I 1 WITNESSES INVENTOR -?<? BY
Phonograph · Patents
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