United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 763
apt-ed to com rol the sound passage-way and lo 35be held in its adjusted positions by factional »agemen1 with portions ol the sound-box,means lor adjusting said slimier and meanslor limiting the pivotal movements ol theshutter. 40 In testimony whereoi I affix my signaturein presence of two wil… … ^Witnesses SSy CUtotnai^ IH» m»>i) cirrus co. wask.-nctow. o. c. UNITED STATES PATENT OFEICE. TO 5 25 3° 35 45 5° 55 LEWIS R. WHEELER, OF TACOMA, WASHINGTON.DEVICE FOR REGISTERING VIBRATIONS OF MUSICAL SOUNDS. No. 844,838. Specification of Letters Patent. Application filed December 6,1906.…
Phonograph · Patents
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