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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Conteúdo

When radio turns doctor
881
Public health, Radio in medicine
Power of airplane carrier to equal energy of city
887
Aircraft carriers
Burning 'em up on the speedways
888
Automobile racing, Automobiles (Design)
Behind the scenes in a puppet show
899
Tony Sarg (German-American puppeteer and illustrator.); 1882-1942, Puppets and puppet plays
Radio control on railways to start and run trains
905
Railroads (Radio equipment)
Training sailors to shoot
979
TARGET practice, Naval
Handling invisible but deadly rays
985
Radium, X rays
Art wrought in iron revives forgotten handicraft
995
Samuel Yellin; 1885-1940, Wrought iron
Boat rides on bubbles and is driven by air
997
Compressed air, Ship propulsion
Tower erected to elephant studded with ivory tusks, Bombay
998
Elephants, Monuments

Fire-fighting school to save forests
908
United States Forest Service, Forest fires, National forests
Three pairs of glasses in one provided by new lens
911
Lenses, Eyeglasses
Tapping America's newest sugar bowl
915
Sugar cane, Everglades (Fla.), Florida (Industries)
Helium to help divers and the sand hog
922
Helium
Dynamite blast in the desert unearths animal bones five million years old
930
Paleontology, Mojave Desert (Calif.)
Why your clothes wear out too soon
937
United States National Bureau of Standards, Textile fabrics
Elevators save lives of salmon
944
Fish protection, Salmon
How to keep your car new
949
Automobile driving, Automobiles (Maintenance and repair)
Motorizing the ocean highways
956
Diesel engines, Marine, Motor ships
S-bend in street at crossings reduces auto hazards
962
Railroads (Crossings)
Hunting wild animals for Uncle Sam
963
Hunting
Blazing trails for motorists
970
American Automobile Association, ROAD maps
How to build a good wave trap
999
Radio receivers
Long-distance portable receiver
1002
Portable radio receivers
Wiring the homemade radio receiver
1006
Electric wire and wiring, Radio receivers (Installation)
Fixing doorbells and buzzers
1013
Electric wire and wiring, Repairing
Built-in furniture for the home
1018
Bathrooms, Dressing tables
Blueprinting on letterheads
1023
Blueprints
Fitting the outboard motor for cruising
1024
Cruising
Auto-horn troubles and remedies
1029
Automobiles (Electric equipment)
How to make a straddle bug
1033
Ship and boat models
Sewer-pipe septic tank
1037
Septic tanks
How to use twist drills
1042
Drills
Pulley and gear speeds and sizes
1049
Gearing

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