United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 925
water to the receiving pari by a body of consonant material, a re- I device, as set forth. ceiving device sensitive to sound vibrations j LUCIEN I BLAKE within said tank anil acoustic conductors between the submerged skin of the vessel and Witnesses: the said body of consonant material, and j J.… … 6W Ifow&s&y: THE NORRIS PETERS CO., WASHINGTON, D. C UNITED STATES PATENT OFFICE. LUCIEN 1. BLAKE. OF BOSTON, MASSACHUSETTS, ASSIGNOR TO SUBMA-RINE SIGNAL COMPANY, OF BOSTON. MASSACHUSETTS, A CORPORA-TION OF MAINE. TRANSMITTER FOR SYSTEMS OF SUBMARINE SIGNALING. No. 852,649. Specification…
Phonograph · Patents
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