Word: wireless
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Dates: during 1920-1929
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...soon gabbling with her sister, on the Hamburg-American Deutschland, about fashions, family matters and a political dinner Mrs. B.'s brother-in-law had lately attended. For eight minutes they talked, exclaiming, interrupting each other, both talking at once. After she rang off, Mrs. Sampter paid the wireless operator of the Columbus her toll...
...result of two years' experimenting, this wireless telephonic conversation where the two parties could talk to and hear each other simultaneously. Hitherto messages could be spoken only one way at a time, but German engineers have eliminated the interference of sending with receiving antennae. Just a push of a switch and the listener could become the talker. The duplex set operated on a wavelength of 1,800 or 1,450 meters. It was found effective up to 700 miles. Other conversations were held between the Columbus and persons in their offices in Germany; and when the Columbus reached Manhattan...
...weighs 5,200 lb., and carries a crew of four men. With its inverted engine giving the pilot clear vision ahead; its retractible gear allowing the plane to alight on ship deck, on land, on sea, or to roll up a beach under its own power; with its photographic, wireless and heating arrangements, the Loening is the last word in airplane construction...
...ARMY & NAVY). When his picture was finished, the pen began again, sketched some U. S. soldiers at mess under the glaring Hawaiian sun. Six other pictures, traveling 255.85 mi. a minute, were sent from Honolulu and received, 20 minutes later, in Manhattan. The results of this longest wireless photo-transmission were said to be clearer than any obtained in some London-to-Manhattan tests made last fall...
During the war, Professor Lemaire was in charge of the French government wireless station at Bordeaux. He also conducted personally numerous researches on the application of submarine acoustics and made notable discoveries in connection with the effect of sound upon opaque materials, the shape of horns for acoustic instruments, the assembling of receptive membranes and marine microphones, as well as the first oscillographs of propellor vibrations. He is also responsible for an important study of musical acoustics, the significance of which led the French government to commend him and recommend his pursuance of the subject...