Word: metalic
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Dates: during 1920-1929
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...York end the receiving apparatus consists of an electric lamp behind a thin metal wall, placed in a strong magnetic field. The wall forms one side of a narrow slot through which the light passes. The fluctuations in the current passing through the magnetic field move the metal wall back and forth according to their intensity, making the slot wider or narrower. The light beam, passing through the slot, falls on the revolving cylinder, printing broader or narrower lines of light on the film. With each revolution the cylinder is jerked 1/65th of an inch to the right...
...Ruhr district, miners struck for a shorter day and more pay. Other strikes were reported from Saxony and Silesia. Berlin Bolsheviks urged the metal workers and railwaymen to join their Red brethren. Die Rote Fahne (The Red Flag), Berlin Communist journal, proclaimed a new wave of struggle against the hated capitalist system...
...really deep diver must wear a metal helmet, and either a specially-built rigid suit or else get used to one or two atmospheres excess air pressure in his breathing supply. A heavy tire may need a pressure of 100 lbs, which is not quite seven atmospheres...
Heywood Broun, famed theatre critic: "In a play criticism I concocted a mixed metaphor: 'It is not unreasonable that it [the Provincetown Playhouse] should occasionally bring forth base metal...
...other valuable device is a distance compass. Any ordinary compass has to be placed in the pilot's pit, where it is so disturbed by the motor and other surrounding metal, as to be partially useless. The new instrument is an earth inductor compass, with no magnetic needle, but with a revolving electric coil placed in the tail of the machine-where it is undisturbed by any metal. The contact brushes are so arranged that a galvanometer in the cockpit, connected with the revolving coil, gives no reading when the plane is on her true course...