United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 647
a sound-box bearing connections to en- 110gage a record, of a horn with branches inter-mediate the open end thereof and the box,openings in the horn, and a slide adapted toopen and close said openings substantially asdescribed. 115 Signed at Bridgeport, in the county ofFairfield and State of… … MiJM WAWVltot THE NORHfS ETtmS CO.. WASMtMOTOM, D. C. IO IS 20 25 3° 35 5o 55 UNITED STATES PATENT OFFICE, ALBERT F. EELLS, OF BOSTON, MASSACHUSETTS.METHOD OF SEA-SOUNDING. No. 837,551. Specification of Letters Patent. Application filed March 20,1906. Serial No. 307,132. Patented Dec. 4,1906. To…
Phonograph · Patents
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