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Title:NEW TECHNOLOGY: New bomb proof material tested
Date:1st August 1938
Summary:ENGLAND: Greenford:
Gen. view government experts..& factory. Semi view & CU flame on durasteel. Travel shot showing thickness of metal. Long view experts watching. Semi view man fixing gun to be fire against thick brick wall. CU gun (force of impact same as incendiary bomb dropped from 5,000 feet) .. fires. Semi view explosion on wall. Cu damage & hole in wall. Semi view