Word: headset
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Dates: during 1940-1949
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...entirely free from static. They do not send out restricted beams but can tell any plane within their range (50 miles or more, depending on altitude) in what direction it is heading in relation to the station. The pilot need not listen to wearying dots and dashes in his headset. All he has to do if he wants to fly toward the omnirange is to tune to its frequency and then watch a needle on his instrument board. When the needle is ver tical, the plane is headed toward the station (see diagram...
...takeoff, the sound of roaring engines is heard, coughing a little at first with startling realism. The cabin vibrates convincingly. The monotonous beat of the guiding radio beam throbs in the pilot's headset. If the instructor chooses to start a fire in an engine, an alarm bell blasts, the pilot stops the engine, and the controls react violently. The crew must know instantly how to bring in a crippled plane, be able to find the runway with a blind-landing system. Even the squeak of tires is heard as the wheels hit the concrete on a landing...
...composed. Propelled by the pressure of the 1,000 volts, the electron darts along one of the straight channels which run between the atoms of a diamond crystal. This motion sets up an electrical pulsation that can be detected easily by various standard instruments or by an ordinary telephone headset...
Minutes before the deadline-6 a.m., Easter Monday-Schwellenbach's last appeal was spurned. In Manhattan's dawn Miss Eileen McDonnell removed her headset, took the elevator down to the street and picked up a picket sign. Across the country, by time zones, galloped Mr. Mayer's horse. At 9 a.m., E.S.T., workers quit the Pacific Telephone & Telegraph Co. offices in Los Angeles and for the first time in history a telephone walkout was nationwide...
...razor blade is tacked down with a wire taped to it and going to one side of the coil and on to the aerial. The other side of the coil goes to the ground and to one side of the headset. From the other side of the headset a wire goes to the safety pin, which is driven into some wood at one end so the pin may be turned. Then the free end of the pin is moved across the unground part of the Marlin blade, and in that way you can find your station. Reception is very good...