Word: undersea
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Dates: during 1920-1929
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Died. Dr. James Harris Rogers, 79, inventor of radio & telegraphic appliances; at Hyattsville, Md.; of heart disease. During the War he contrived a device for undersea radio communication; on the Western Front he established a radio station to intercept German army communications...
...conference at London in the third week of January next, bids them come prepared to discuss the limitations of all types of surface war boats, the abolition of the submarine. Japan immediately signified acceptance, though her formal reply to "Uncle Arthur" was delayed. France and Italy, who rely on undersea boats as their chief naval arm, were expected to send acceptances containing strongest reservations against even discussing abolitions of subwarfare...
Cable. Most important of Western Union's undersea innovations is the newly laid, $2,000,000 link between Newfoundland and the Azores. Back and forth, last week, sped test messages. The service will be opened to the public this month...
According to King Alfonso, the proposed tunnel would cost around 250,000,000 pesetas ($48,250,000), which he declared to be a small amount compared to the advantages that Spain would reap from a commercial undersea road to Africa...
...make the older methods unreliable or utterly useless, while the electric vibrations transmitted through the sea, and registered by the hydrophone, are not so seriously affected by conditions of the weather. The depth of water under a ship at any time can be instantly determined by electric means, while undersea signalling and the transmission of the voice through water are also being developed...