Word: zinc
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Dates: during 1930-1939
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...weeks ago when the Silver Purchase Act slapped a 50% tax on the profits of silver speculators. Only rubber continued to be active. Last week the Commodity Exchange, casting about for other staples in which its 950 members could do business, established a futures market for lead pigs and zinc slabs, heretofore on a spot basis...
...first sales were held up 25 minutes while City Comptroller Joseph D. McGoldrick hurried over from City Hall to make a speech. At the sound of the gong, Commodity Exchange President Jerome Lewine stepped forward to buy a September lead contract at 3.70¢ per lb. A zinc contract was sold at 4.40¢ per lb. Both transactions were for 60,000 lb.?the trading unit selected by the Exchange. In a rush of trading which continued all day, sales of lead futures reached 1,380,000 lb., zinc futures...
Until 1220 when Alchemist Albertus Magnus discovered arsenic, mankind knew only ten elements-carbon, sulphur, gold, silver, copper, iron, lead, tin, antimony and mercury. In the next 500 years alchemists discovered only bismuth, zinc and phosphorus. Then scientific chemistry began By 1900, before which time perspicacious Dmitri Ivanovich Mendeleyeff figured that there must be 92 elements on earth, no more, no less, chemists had isolated 83. Last discovery of a tangible element, which could be handled and weighed, occurred in 1926 when Professor B. Smith Hopkins of the University of Illinois found Element No. 61 among some rare earths...
...painted timbers, ropes, boards. Trained like circus roustabouts, a crew of workmen sprang into action. In three-quarters of an hour uprights and braces were screwed together, the pulley strung, platform, trip lever and block slipped into place. A bale of fresh dry straw was ripped open, a zinc-lined wicker casket was unloaded, and Mme Guillotine raised high her thin red arms in the pale Provençal light...
Through work on a book on Engineering Materials, with chapters on Testing machines; iron--gray, malleable, wrought, alloy; carbon and alloy steels; heat treating; non-ferrous metals and alloys; copper, tin, nickel, lead, zinc, aluminum, etc., I have come in contact with many products and processes. In spite of the depression, there is marked activity in research work, and as there is activity in this field, then this is the one to train students to enter, instead of in the already overcrowded ones...