Description
Contents: This Unfinished World; Guns For Defense; Secrets Of Color; Cinderella Metals; Movie Cartoons Come To Life; Out Of The Air – Tomorrow’s Car; Growing ‘Em Faster Under Lights; Marching On Wheels; Tips On Table Tennis; Warriors On Skis; Taming The Thunderbolt; Nemesis Of The Black Widow; Balance – That’s The Secret; Rigid Stretcher For Rescue; Ribbed-Rubber Grip Holds Ladder; Radio Reports Chutist’s Six-Mile Fall; Grinder Dresser Balances And Trues Wheel; Electricity From Windmill On Mountain Top; Huge Troop And Cargo Planes; White “Spots” For Tires; Enzyme Clue To Cause Of Cancer; Rings Of Fire Guard City From Bombers; Twin Three-Blade Propellers; Testing Drugs For High Fliers; Mobile Headquarters Directs Tanks; Two-Motored Flying Wing Has No Fuselage; Titanic Snowplows For Railroads; “Trouble Light” For Motorists; Aircraft Carriers Fire Squad; Portable Hydraulic Elevator For Plane Engines; Automatic Album And Frame; Polarized Light Identifies Sugar In Diet; Gun Tests Electric Bonds In Plane; Hinged Stairway; Stars Redden In Gas Cloud; Mains For Pipe Line Carried On Tractor; Child’s Rowing Machine Pumps Balloon; Pocket-Size Fuse Puller; “Stop-And-Go” Fuse Puller; Dry Ice Tests Gems; Key Within Screwdriver Holds Screw; Scooter Chair As Taxi At Airport; Metronome Paces Marching Soldiers; Visual Indicator For Radio Beam; Clamp As Extra Hand; Giant Roller Bearing; Plating Waste Zinc On Steel; Caliper Has Scale On Back; Seventy-Ton Flying Boat; Portable Photo Speed-Lamp; Manganese Are Flotation Process; Seven-Ounce Motor Checks Plane Parts; Luminous Dolls; School For Fire Fighters; Signboard Warns Speeding Cars; “Lifetime” Ink Pad Fed By Wells; Electric Moisture Meter For Soil; Compass And Gauge For Drawing Brush; Telephone Cables Formed Automatically; Motor On Scooter Ambulance; Shatterproof Visor For Athletes; Inexpensive Plane Of Plastic Plywood; Airplane Height-Finder; Defense Material From Rubber; Self-Supporting Ladder; Shelf Unit In Kit Form; Attachment Takes “Kick” Out Of Gun; Car Painters Wear Mask And Hood; Movie Splicer Saves Film; Powerful Atomic Bullets; Getting Dinner The Hard Way; Folding Dinette Table; Pneumatic Conveyor Shoots Red-Hot Rivets; Submarine Saw Clears Channel; Largest Electric Motors Ever Built; Portable Tool Stand And Light; Sulphur Spray For Garden Pests; Life-Saving Jacket; Heavy Articles Moved On 8-Wheel Dollies; Automatic Idling Control Saves Gas; Ambulance Driven By Bicycle Gear; Oil Bath Cleaner Supercharges Engines; Adjustable Power-Drill Extension; Mixer Shaken With One Hand; Water Wings Made From Trouser Legs; Home Binder For Color Transparencies; Electric Gauge Shows Cylinder Wall Thickness; Testing Bomb’s Effect On Window Glass; Foot-Controlled Hydraulic Vise; Tricks With Your Camera; Steel Frame Presses Washable Trousers; Hourglass Timer Rings Bell; Scale Finds Center Of Gravity; Simple Lawnmower Sharpener; Glass Made Glare-less; Homemade Car And Trailer; Bureau Fastened On Door; Jig-Saw Cutter For Grapefruit; Six-Piece Knock-Down Stool; Nonslip Pressure-Grip Wrench; Copper-Cement Floor Kills Germs; Prefabricated Calking Cord; Mechanical Arms Load Defense Cargo; Sidecars On Tandem For Children; Holder Speeds Drill Selection; Chemical Guards Grain From Rats; Combination Pencil And Flashlight; Size Of Plane Shown By Tanks And Men; Aerial Mosaic Map
Issue: January 1942
Condition: Very Good