United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 877
,200 /68 see 188 … ^219 /60 GeorgeJCUnderhUl, UNITED STATES PATENT OFFICE. GEORGE H. TJNDERHILL, OP BOSTON, MASSACHUSETTS. PHONOGRAPH. 1,265,009. Specification of Letters Patent. Patented May 7, 1918. Application filed April 29. 1911. Serial No. 624.014. To all whom it may concern: Be it known that I, George H.…
Phonograph · Patents
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