United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 193
e telescoping vertically therein toform a continuous sound-conveying passage,a plate carrying a diaphragm and stylus andhinged to said movable tube, and spring-ac- tuated means for automatically forcing saidplate and diaphragm downward. In testimony whereof I have signed thisspecification in the… … /fz^/z esses fjiventor: ^cr^jy^J^ W^t-^^o-^ ty sMlr- UNITED STATES PATENT OFFICE. JOSEPH GAYNOK, OF NEW YORK, N. Y.SOUND-BOX. No. 816,908. Specification of Letters Patent. Patented April 3, 1906. Application filed October 27, 1906. Serial Mo. 284,616. To all whom it may conc&m: Be it known that…
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