Popular Mechanics

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Conteúdo

18,000,000 gardens for victory
1
Vegetable gardens and gardening
Colored grenades identify U.S. tanks in battle
7
Grenades, Tank warfare
Flying battlewagons
8
Airplanes, Military
Digging for war treasure
14
Mines and mineral resources
Helicopter joins army as courier, ambulance
16
United States Army Air Forces, Helicopters
Paper runs the world
18
Paper, Paper industry
Fighter passes speed of bullet in 725 mile-an-hour dive
26
Airplanes (Speed)
Blasting is their business
28
United States Army Corps of Engineers, Blasting, Military demolition
G-men of the rails
35
Railroads (Rails)
City in a store
40
Sears, Roebuck and Co

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