Popular Mechanics, vol. 75, n. 4, 1941

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1941-04

Public domain

Is Part Of
Title	Alternate label	Class
Blindfolded "Smoke Eaters" Drill for Air Raids
Aviator's Heated Suit Defies Temperature Sixty Below
One Pilot Can Fly Two Planes by Transmitting to Robot
With the "Mosquito Fleet"
Parachute Opens Itself When Cord Is Broken
The modern bombing plane
Soldiers with Wings
Safety Gun-Rest on Hunter's Belt Points Barrel Upward
Ski-Mobile Tows Anti-Tank Gun in Snow Drill
Throwing Light on U.S. Security
Airplane Gun Fires Backward
Huge Sea Bird Awaits Wings to Take to the Air
Winged Classrooms for Navigators
Dials of Plane's Instrument Panel Glow in Invisible Light
Setting Spies to Catch Spies
Powerful Telephoto Lens Films Effect of Bombing
Training Plane Anchored to Pylon Teaches Flying in Safety
Charting the Ocean for Defense
Floating "Clinic" Houses Supplies for Airmen Downed at Sea
Light Sub-Machine Gun for Army Fires 500 Shots a Minute
Signal Language of Sea Taught at New Schools
Miniature Guns and Village Aid War Practice