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

Wonders of the New York fair
481
New York World's Fair (1939-1940)
Three-wheeled auto has air-cooled engine
485
Automobiles (Design)
Talking without words
488
Sign language
Color spies join the army
497
Color photography, Photography, Aerial, Photography, Military
Piano keys play a vacuum-tube orchestra
507
Novachord
Heroes of the radio flash
562
Radio broadcasting (News)
Guarding your gold
573
United States Mint, Gold
Combination panel for s-w receiver
577
Shortwave radio receivers
Low cost three-unit broadcast set for beginners
578
Radio receivers
One all-wave antenna serves twenty sets
580
Radio antennas

Secrets of big-time racing
508
Automobile racing
Peace officers of the new West
514
Emmett SHAY, Police (California), Sheriffs
Hunting live treasure in the jungle
520
Wildlife (Capture)
Check up on your driving
526
Automobile drivers (Testing)
Glass furniture latest for the modern home
531
Glass furniture
Canaries sing for science
534
Birdsongs, Canaries
300-mile railway to carry ships is planned
539
Railroads, Ships
Frontier guards on the wing
541
United States Coast Guard, AIR patrols, Border patrols
Painting pictures with light
546
Otto K. OLESEN, Searchlights
Film record guides hand of robot sculptor
550
S. T. JEFFREYS, Photosculpture
Thirteen slaves for a nickel
552
Electricity in the home
Handfuls of speed
558
Model cars, Automobile racing
Music from mixing bowls and salvaged junk
561
Musical instruments
New flower shelves and brackets enhance your home
583
Flower boxes, planters, etc
Four-shelf bookcase in walnut
588
Bookcases
New house numbers
591
Street addresses
Porch mail boxes
594
Mailboxes
Wall sconce in bow-and-arrow motif
597
Sconces
Simplified gate-leg table folds into small unit
599
Tables
Ground-glass focusing with a box camera
612
Cameras, Photography (Focusing)
Fluff-rug strands woven on simple loom
617
Looms, Rugs and carpets
Drill-vise milling unit on small lathe
621
Milling machines
Wire lampshade frames assembled quickly with these jigs
625
Jigs (Tools), Lampshades
Building and using a wattmeter
627
Ammeters, Voltmeters, Wattmeters
Seed-grain duster
634
Grain, Seed disinfection, Spraying and dusting
Motorized garage doors
637
Doors, Mechanically operated, Garages

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