Popular Mechanics

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Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets and digital technology, information on the newest cars or the latest breakthroughs in science -- PM is the ultimate guide to our high-tech lifestyle.
 

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Indice

Spy trap
1
United States Federal Bureau of Investigation, Spies
Giant of the north
8
SHIPSHAW waterpower project
Dummies go to war
14
Camouflage
Umbrella army
18
United States Army (Parachute troops)
If the axis uses gas
27
UNITED STATESChemical warfare service
War work set to music
40
Factory communication, Music in industry, World War, 1939-1945 (Songs and music)
Beacon trail leads battered plane to field
44
Beacons, Searchlights
Seeing is believing
46
Aviation (Study and teaching), UNITED STATESAir force, Army/Training command, VISUAL instruction
Pontoon tow bridge is gate to farm shipyard
49
Pontoon bridges
Sleep like a baby
50
Sleep

Sharper eyes for the flying snoopers
34
Military reconnaissance, Photography, Aerial

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