Word: control
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Dates: during 1930-1939
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...Harvard Engineering Society will present a sound motion picture entitled "Heat and Its Control" tomorrow evening at 7:30 o'clock in Pierce...
This film, put out by the Johns Manville Company, shows the insulation of houses and the uses of insulation in solving other problems of heat control. It is reported to be notable for its clear exposition and demonstration of the physical principles involved and should be of popular scientific interest...
Throughout the scientific world, in physics, chemistry, medicine, and other fields, the tubes are used wherever delicate and complex control of electricity is required...
...rough control over current, which electricians were able to exercise through changing the potentials on the positive and negative terminals of the original tubes, was rendered extremely sensitive and intricate with the addition, by Dr. Lee De Forest, of an independently charged grid of wire between the heated filament and the positively charged plate...
...tactics, the Harvard contingent dominated the 500 college students from all parts of the country gathered for four days at Poughkeepsie, New York, to discuss current problems. Rumblings of discontent with the National Organization heard last fall were stilled as the Harvard chapter assured itself of some measure of control over the A.S.U.'s policies during...