Word: platinum
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Dates: during 1930-1939
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Precision is the bureau's prime purpose. Deep within an unshakable vault, where temperature and air pressure is constant, lies the master measuring stick of the U. S., a platinum bar one metre long. Bureau men know that it is one metre long because they measured with an eternal, invariable standard, the red light waves of cadmium...
...international basis of scientific measurement is an iridio-platinum bar cut by two scratches one metre apart, preserved, guarded carefully at Paris, but subject some day to possible destruction. Dr. Michelson measured the bar against the wavelength of red cadmium light, forever unchangeable...
...Brokaw's backgammon dice rattled in their cup, fell out upon the table. He reached in his pocket, found $175 and a platinum watch, surrendered them. Then he, Mrs. Brokaw and Darby were herded into a bathroom at revolver's point. The personable young man ran lightly down the stairs and disappeared. He had not bothered with Mrs. Brokaw's jewels...
...While Dr. Hutchison's motive was to help airmen, his invention may have the far more momentous effect of overcoming the carbon monoxide (CO) evil in motor car traffic. His Moto-Vita, which can be car traffic. His Moto-Vita, which is a bridge of platinum and nickel wires (weight i½ Ib.) over which the exhaust gases pass. This bridge is electrically connected, through a tiny battery, to a sensitive ammeter on the pilot's (chauffeur's) instrument board. If the fuel mixture is too rich, the unburned gasoline vapor-hydrogen, carbon monoxide-will cause...
...most exciting Russian experience during the revolution was sitting up at night for three months in the Embassy with a pistol in his hand guarding $5,000,000 worth of platinum to be smuggled into Britain to make fuse points for shells...