Word: vacuum
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Dates: during 1930-1939
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...another session of the meeting, G. F. Metcalf and T. M. Dickinson of the General Electric Company described a new vacuum tube, 1000 times more sensitive than existing tubes in the meas...
...Would you force your listeners to a life of listening to toothpaste propaganda and vacuum-headed crooners...
...March of Time" is vibrant and volatile, pithy and pert, with a minimum of advertising chatter. Would you force your listeners to a life of listening to tooth paste propaganda and vacuum-headed crooners...
...listening to the various degrees of humming, observing the efficiency of freezing power. One refrigerator caught his attention and he had a long talk with the man who stood beside it. The man was red-cheeked Axel Leonard Wenner-Gren, Sweden's No. 2 tycoon, great maker of vacuum cleaners and automatic iceboxes. He was standing beside the new refrigerator he had begun to manufacture. Mr. Sloan noted that it had no moving parts, made no noise, worked by means of a little gas flame applied to a solution of water and ammonia...
...some neon into one end of a vacuum chamber. Neon, having three isotopes, is comparable to a lot of lemons, oranges and grapefruit in a paper bag.' Dr. Bainbridge knew the weight of the whole, also the average weight of each piece of his "fruit," but (he assumed) not the weight of each individual piece. So he propelled the neon atoms through the chamber with an electric force, strong enough to blow the "bag" to pieces, ionize the atoms. Two huge electromagnets created a powerful magnetic field, which, like gravity pulling the fruit to earth, defleeted the course...