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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Compact storage B-battery
310
Storage batteries
Washing tank for films and prints
311
Photography (Developing and developers)
Inclined plane and wedge
316
Inclined planes
Worm-gear attachment for sensitive drill press
325
Drills
Making a kicking mule
331
Toys
Butterfly art work
337
Butterflies in art
Boathouse for small canoe club
345
Boathouses, Canoes and canoeing

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