Word: compasses
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Dates: during 1920-1929
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...Federal radioman took the key, sent luring messages to the transports. Long had the raiding radioman practiced the syndicate's secret code. Months prior, mysterious aerial buzzes had been picked up by a Coast Guard cutter. The intricate code had been deciphered, its source determined by radio compass. Thus had Prohibition men located the syndicate headquarters. New Jersey's Prohibition-Administrator William J. Calhoun, superviser of the syndicate roundup, boasted that by eavesdropping on this telltale radio he had for months checked every pint smuggled in. Unperturbed by the 10,000 cases of liquor whisked in every week...
...Springfield, N. J., an automobile proceeded down the road in a manner that interested a motorcycle patrolman. Drawing alongside, he found Driver Frank Urban, his hands off the wheel, peering into a compass...
Toronto & Syracuse Shows. Overshadowed by the Cleveland Air Races & Show but important in their own compass were shows last week at Syracuse, N. Y. and Toronto. At Syracuse, Aaron Kranz performed a feat which with less other air news would have brought great newspaper headlines. When an exhaust pipe of an endurance plane cracked, he went up in another plane, climbed down a rope ladder to the first, made repairs, then dropped to earth by parachute...
...When a bar of iron is placed inside a coil through which a current is flowing it becomes magnetized. The bar of iron when magnetized acquires, like the compass needle, poles north and south. When the current reverses, the poles change places-not instantaneously but with a delay. The process of delay is called the Law of Hysteresis...
...been said, and justly, that the pursuit of science at Harvard is "orientation in a field of force." The writer has had ample opportunity in four years to become convinced that this comparison to the magnetic compass is not only true but that it constitutes a real fault in the scheme of things...