Science: Unsecret Weapon

SCIENCE

Last December, as London lay almost helpless under Nazi air attacks by night, Air Chief Marshal Sir Hugh ("Stuffy") Dowding predicted with mysterious confidence, "Night bombing will be greatly reduced by spring." Since then repeated reports have come from England of Nazi raiders brought down in full darkness. Last week a clue to this amazing prediction and promise of fulfillment was provided by the U. S. Patent Office.

It granted to Joseph Lyman of Huntington, N. Y. a patent for a machine which uses radio beams to locate a plane in darkness or...

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