United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 911
THE NORRIS PETFKS CO., WASHIHOTOH. O. C No. 852,647. PATENTED MAY 7, 1907. L. I. BLAKE.SUBMARINE SIGNALING. APPLICATION FILED JAH. 8, 1907. 2 SHEETS-SHEET 2. … 1HE HORR1S PETERS CO., WASHIHCTOK. O. C UNITED STATES PATENT OFFICE. LUCIEN I. BLAKE, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO SUBMA-RINE SIGNAL COMPANY, OF BOSTON, MASSACHUSETTS, A CORPORA-TION OF MAINE. SUBMARINE SIGNALING. No. 852,647. Specification of Letters Patent. Application filed January…
Phonograph · Patents
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