United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 339
lan,Annie M. Sommers. Monies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. tURAPHOPHONfc PATEWTJ 1,255,833 SYNCHRONIZING MECHANISM FOR MOTION PICTUREAND SOUND REPRODUCING MACHINES. 1,355,833 H. W. Rogers, Patented Feb. 5, 1918,Filed… … Witnesses
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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