'Fighting Ferryboats', Colliers Weekly
Tags: 1940s; 1941; 1941-11-1; Amphibian; Engineering; Hartley, Howard; Mechanical Engineering; Military; Navy; Tanks
'Fortress in the Sky', Colliers Weekly
Tags: 1940s; 1941; 1941-4-19; Aeronautics and Aerospace; Aviation; Engineering; Hartley, Howard; Military
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