United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 211
this 25th dayof January, 1915. RICHARD JAMES PRETTIE. Witnesses: E. W. Scherr, Jr.,J. F. Meade. 25 30 35 Copies of this patent may be obtained for five cents each, by addressing the Commissionei of Patents, Washington, D. C. \ urivii _ iivi n^in iJ ■■ «i jjhi j j. , — ww j SOUNE TRM*MITT^X…
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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