Word: dials
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Dates: during 1930-1939
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...Lemmon is no radio newcomer. He was Presidential staff radio officer on the George Washington when it took Woodrow Wilson to the Peace Conference, devised a pioneer ship-to-shore telephone service for that trip, made a fortune from his patent on single-dial radio control and twenty-odd other radio inventions. Also a broadcaster, he is founder president of the World Wide Broadcasting Foundation which owns and operates non-profit shortwave Station WIXAL (Boston), dips into his own pocket to broadcast New England enlight enment to the world...
...startling as a Ouija, the small, two-pound, dial-topped box, bare of any wire connections to the receiving set, changes the receiver's tuning from station to station, raises and lowers volume. Selection is made by a gadget that looks like a telephone dial. The gadget can be carried indoors & out, works the receiver from any point within 75 feet. Philco officials are not revealing the principle of operation, letting it be known only that a radio tube and a dry cell are parts of the mechanism. The control works exclusively with the set to which...
Easy Money is a two-and-a-half-hour afternoon broadcast over WPG (Atlantic City). Presenting riddles at five-minute intervals, the station pays $1 to the listener who is first to telephone the correct answer. Innumerable wise contestants were jumping the starting gun by dialing the first four digits of WPG's number, snapping the final digit as soon as they had the solution. Until the wires were cleared by mass attack on the fifth digit, that trick automatically put busy signals on the ten telephones with numbers beginning with the same four digits. Because of the oddities...
Working like a telautograph, the Audimeter is designed to record with a stylus on moving tape every twist of the radio switch and dials. It registers programs received, whether a program was tuned de liberately or found by dial twisting, whether it was heard through the full period, tuned out at any point, or kept on only after unsuccessful search for something better. Eliminating memory and other human fallibilities from listener-interest testing, Audimeters should tell advertisers just what audience he has and precisely what in his program, if anything, drives an audience away. Independent of telephones, the survey should...
...electric contacts corresponding to the 750 answer positions on the paper. The pencil mark on any of the answer positions on the sheet closes an electric circuit, and with the graphite acting as the conductor of current, the machine automatically records whether the answers are right or wrong. A dial shows instantly the number of answers the student got right and wrong...