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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Hello! plane ABC speaking
1
Radiotelephone on airplanes
From barnstorming to air liners
8
Northwest Airlines, Inc, Air pilots
Scale weighs by counting to save figuring
13
Scales (Weighing instruments)
Fighting the submarine
18
World War, 1914-1918 (Submarine operations)
With the Zeppelin's little brother
28
Airships

World in the air
34
Aircraft

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