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| Keywords: blackandwhite monochrome black and white Lot-9438-12: New Plant Turns Out Magnesium. Magnesium, dangerous to handle because it explodes in air, is vital for explosives, airplane parts, pyrotechnical, photographic and signaling equipment. The U.S. is lucky in having a large supply of magnesium and many plants like this new one at Los Altos, California, where big vats are used to heat magnesium oxide to 4,000 centigrade. The oxide is then suddenly chilled in 1/1,000 of a second to 380 degrees and finely powered magnesium is precipitated. Office of War Information Photograph, February 7-16, 1942. (2016/01/08). Lot-9438-12: New Plant Turns Out Magnesium. Magnesium, dangerous to handle because it explodes in air, is vital for explosives, airplane parts, pyrotechnical, photographic and signaling equipment. The U.S. is lucky in having a large supply of magnesium and many plants like this new one at Los Altos, California, where big vats are used to heat magnesium oxide to 4,000 centigrade. The oxide is then suddenly chilled in 1/1,000 of a second to 380 degrees and finely powered magnesium is precipitated. Office of War Information Photograph, February 7-16, 1942. (2016/01/08). | ||||
