Conservation of the helium resources of the U. S. as an American monopoly for both war and peace purposes is the object of bills to be introduced at the present session of Congress. Dr. S. C. Lind, newly appointed chief chemist of the U. S. Bureau of Mines, sponsors the movement. Dr. Lind and his predecessor, Dr. Richard B. Moore, two of the country's leading authorities on rare gases and earths, speaking last week before the American Institute of Chemical Engineers at Washington, out lined the probable future developments of helium and the...
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