New bomb proof material tested.
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 section of durasteel... Long view explosion against durasteel. Semi CU men looking at slight effect on Durasteel. CU effect of explosion on steel. Long view firing at slateroof. Pan men looking at damage. Semi view explosion on Durasteel roof. CU showing slight damage to Durasteel roof.
Civil Defence; Inventions
Background: New bomb proof material tested.