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Gunsight to fit on shotgun improves the aim Gunsight to fit on shotgun improves the aim
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Attack planes bristle with guns and bombs Attack planes bristle with guns and bombs
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Popular Mechanics, v. 63, n. 5, 1935
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Radio cars with high masts do patrol work Radio cars with high masts do patrol work
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"Big Bertha" made from logs looks like real cannon "Big Bertha" made from logs looks like real cannon
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Trucks bear "ear" and "eyes" to spot planes Trucks bear "ear" and "eyes" to spot planes
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"Flying" camera aimed like a machine gun "Flying" camera aimed like a machine gun
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Dummy serves as a target for treasury guards Dummy serves as a target for treasury guards
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Faster key sends radio code at fifty words a minute Faster key sends radio code at fifty words a minute
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Popular Mechanics, v. 63, n. 4, 1935
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Accuracy in night shooting improved by light beam Accuracy in night shooting improved by light beam
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Life preserver for aviator is inflated instantly Life preserver for aviator is inflated instantly
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Sound waves from big guns travel in arc Sound waves from big guns travel in arc
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Seaplane models proved in half-mile tank Seaplane models proved in half-mile tank
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Latest Weapons used by U.S. in Crime War Latest Weapons used by U.S. in Crime War
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Ship hoists planes to deck without stopping Ship hoists planes to deck without stopping
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Warships dressed in light for night show Warships dressed in light for night show
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Popular Mechanics, v. 63, n. 3, 1935
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Pictures drawn with bullets show skill of marksman Pictures drawn with bullets show skill of marksman
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Wingless autogiro parks like an automobile Wingless autogiro parks like an automobile
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Air target towed by plane used for gunnery practice Air target towed by plane used for gunnery practice
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Bolt handle adjusts rifle for left-hand shooting Bolt handle adjusts rifle for left-hand shooting
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The next war in the air The next war in the air
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Popular Mechanics, v. 63, n. 2, 1935
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Arrow thrown with stick instead of a bow Arrow thrown with stick instead of a bow
