Word: coaxial
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Dates: during 1930-1939
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...sets in its 50-mile radius, announced that Referee Donovan's kindly wash was coming true. Its engineers had proved, in telecasting the six-day bike race at Manhattan's Madison Square Garden, that television could be transmitted over ordinary telephone wire. Engineers had considered coaxial cable, a copper wire threaded through separators inside a copper tube, the only practical ground conductor for the complex television signal. Since coaxial cable costs $5,000 a mile, prospects of a television network had seemed dim and distant...
...experts still rely on their projected coaxial cables to bring television to the north of England, explain that Ormesby Bank reception was possible only because of its 700-ft. elevation, high mast, ideal atmospheric conditions. BBC can guarantee none of these reception assets to all Yorkshiremen...
...ordinary low-power, short-wave radio set could conceivably be depended upon to carry 100 miles or more through the air. Possibly inspired by American Telephone & Telegraph Co.'s coaxial cable which can carry a frequency band wide enough for television for thousands of miles (TIME, Oct. 14, 1935), the Los Angeles engineers installed, at each end of the line, low-power transmitters using about 80,000 kilocycles, and these high frequency signals are impressed on the electric power cables. Through this broad channel they ride easily so that messages are clearly heard by any patrol car, provided...
...Frank Baldwin Jewett, Bell Telephone's president, proudly explained in Manhattan last week that for radiotelephony between fixed points, Bell's coaxial cable provides "a piece of the ether which has been segregated from all the other ether in the world." Because it can carry a frequency band 1,000,000 cycles wide and can "pipe" tele vision underground for hundreds of miles...
...tubes with copper wires running through the centre of each, the whole sheathed in lead. The current travels on the inside wall of the tubes, the outside skin of the wires. Whereas ordinary telephone trunk lines have booster stations at least every 50 miles, serviced by human attendants, the coaxial cable has automatic booster stations every ten miles, accessible through manholes if repairs are needed...