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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Índice

Better radio through the earth
1
Radio broadcasting
Evolution of locomotive in century
4
Locomotives (History)
Mysteries of the sea
7
Shipwrecks
He lives on the edge of a volcano
14
Thomas Augustus JAGGAR; 1871-., Volcanoes
Blazing trails for the map makers
19
United States Coast and Geodetic Survey

Weird pipes and drums
34
Musical instruments
With the wasps of the sea
39
Naval maneuvers

Términos y frases comunes