Word: signal
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Dates: during 1940-1949
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...general-staff school in Kunming instructed members of the Chinese General Staff. American medical officers trained alongside Chinese doctors. Veterinary, signal corps and transport schools taught American methods...
...workers, in no mood to modify their demands for a closed shop and a dues checkoff, all this was a signal to prepare for a fight. Picket lines at each of the sprawling plant's 17 gates grew longer, thicker, more sullen. On Monday, 8,500 additional workers-from Windsor's Chrysler, Gar Wood, Kelsey Wheel and some 20 other smaller plants, walked out in sympathy. Pickets began erecting street barricades (hundreds of autos, bumper to jumper...
...blind may soon have an electrical gadget to help them get around without bumping into obstacles. The basic idea, now being worked on by the Army Signal Corps, is a small box shooting out a narrow beam of light. By turning the beam from side to side, the blind man can feel his way. When the beam hits a lamppost, a fence or any such obstacle, its light reflects back to a lens and is focused on a photoelectric cell. A gentle buzz in an earphone warns him that the obstacle is near. The blind man can tell its direction...
...present, the "optical cane" is heavy (9 lbs.) and cannot "see" narrow obstacles such as hanging wires. The Signal Corps intends to iron out all such comparatively minor faults before offering its invention to the blind...
Before Government House on the historic Plaza de Mayo, over 500 mothers and sisters of arrested university students gathered to protest. Mounted police rode into the crowd, bowled women over, swung sabers at recalcitrant heads. At a signal, the horsemen wheeled and repeated the performance. From the windows of Government House, Argentine officialdom looked on with approval...