Popular Mechanics

Etukansi
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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Sisältö

How high is up?
160
Atmosphere, Upper, Balloons
Talking paper tape keeps sound records
165
Sound (Recording and reproducing)
More speed for 1934
166
Automobiles (Design)
Air-minded railroading
170
Railroads (Cars, Trains), Streamlining (Design), Rail automobiles
Ten-million volt gun to bombard atoms
176
Atoms, Electric machinery, High voltages
Does the camera ever lie?
234
Motion picture photography
Has radio reached its peak?
242
Radio broadcasting
Pyramid rivals skyscraper as world wonder
252
Rockefeller Center, Pyramids
Sixteen-tube receiver covers five wave bands
261
Radio receivers
Public address amplifier
262
Amplifiers

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