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Bow-gun of crusaders' days recalls ancient warfare Bow-gun of crusaders' days recalls ancient warfare
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Popular Mechanics, v. 63, n. 1, 1935
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Fireproof suit for aviators floats wearer in water Fireproof suit for aviators floats wearer in water
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The fort of four nations The fort of four nations
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Gun-train guards ends of Panama canal rolling fort crosses isthmus in two hours Gun-train guards ends of Panama canal rolling fort crosses isthmus in two hours
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Cardboard "army" is target for german riflemen Cardboard "army" is target for german riflemen
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Popular Mechanics, v. 62, n. 6, 1934
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"Invisible dust" curtain to halt war planes "Invisible dust" curtain to halt war planes
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Fighting plane without tail resembles a bat Fighting plane without tail resembles a bat
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Navy's first iron ship is ninety years old Navy's first iron ship is ninety years old
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Cavalry carries radio set on horse's back Cavalry carries radio set on horse's back
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Navy's latest plane carrier is fast in trials Navy's latest plane carrier is fast in trials
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Building camouflaged by net to foil air attack Building camouflaged by net to foil air attack
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Popular Mechanics, v. 62, n. 5, 1934
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One-man bulletproof shield used in war on crime One-man bulletproof shield used in war on crime
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"Sallying ship" helps float pride of british navy
"Sallying ship" helps float pride of british navy
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Popular Mechanics, v. 62, n. 4, 1934
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Scientific American Description
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Windshield Worn on Face Protects Army Cyclist Windshield Worn on Face Protects Army Cyclist
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Noncapsizable Boat For Army Run by Diesel Engine Noncapsizable Boat For Army Run by Diesel Engine
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Four-Bulb Flash Takes Photo Of Plane in Air at Night Four-Bulb Flash Takes Photo Of Plane in Air at Night
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Soldiers Cross Barbed Wire With Aid of Mat Soldiers Cross Barbed Wire With Aid of Mat
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Shoes Remove Body Static Shoes Remove Body Static
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Asbestos-Clad Rescue Squads Walk Through Flames Asbestos-Clad Rescue Squads Walk Through Flames
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Army's Midget Scout Car on Raft "Swims" Across Rivers Army's Midget Scout Car on Raft "Swims" Across Rivers
