A REVOLUTION IN TELEGRAPHY.
USE OF TUNED RODS. j UNLIMITED MESSAGES MAY BE SENT AT ONCE. LOW CURRENT REQUIRED. By Telegraph—Press AssociariSon-Copyriehk (Rec. December 12, 9.55 p.m.) London, December 12. The "Westminster Gazette" stales tlijit -Mr. A. T. Jolinson, an ex-Professor at the Royal Academy of Music, and an Australian, in collaboration with Mr. F. Varley, who assisted to lay the first successful Atlantic cable,, has, after nine years of experiments, perfected an important invention in telegraphy. By a system of tuned metal rods connected with similarly tuned receivers, which can be applied both to cable work and wireless lelography, tho invention prevents tapping, aad enables an unlimited number of keyboards resembling typewriters to send messages simultaneously. A current of three volts convoys messages from London to New York, now requiring .forty volts under the present system of telegraphy. The British Government has openod negotiations for tho purchase of tho invention.
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Dominion, Volume 5, Issue 1310, 13 December 1911, Page 7
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151A REVOLUTION IN TELEGRAPHY. Dominion, Volume 5, Issue 1310, 13 December 1911, Page 7
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