Science: New Magnesium Methods

New production peaks were being reached last week in magnesium, vital war metal in flares, tracer bullets, incendiary bombs (it burns) and airplane construction (it weighs a third less than aluminum). Magnesium figures are smoked with secrecy. But that there is a magnesium boom was clear from the remarks of WPB's magnesium production chief Philip Danforth Wilson in Mining & Metallurgy: "Of all the metals in the war program the demand for and production of magnesium have increased percentagewise the most. . . . 1939 production was 3,350 tons; the war program now...

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