Popular Science Monthly, v. 94, n. 3, 1919

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Items with "Is Part Of: Popular Science Monthly, v. 94, n. 3, 1919"
Title	Class
A homemade bullet catcher for indoor use
A new apparatus, perfected by British and U. S. aviators, which can determine the exact position of planes during flights
A new discovery shows how to produce dirigibles that cannot catch fire
Airplane propeller used by a German aviator to create a clock
American tractors may be used to solve the problem of agricultural reconstruction in Europe after World War I
Aviator wears a barometer on his knee
Defense system created to protect the British king George V from shell splinters when he was on the bridge of a ship
How a British sailor managed to escape from a sunking submarine
How the Americans managed to get a lake vessel, which was too large to navigate North America canals and rivers, to the Atlantic Ocean
How the British managed to carry war material to France through the English Channel without being discovered by the Germans
How the U. S. A. transported whole railroads accross the Alantic Ocean to France during World War I
Instead of announcing a bull's eye, a new device says when the recruit has made some mistakes in shooting training
The anti-mine technology called "P. V." used on ships
The difficulties encountered in the development of parachute technology
The rice paper socks used by Japanese soldiers
Toy dirigible balloon with a parachute
Warships' artillery turrets used to create removable platform for the takeoff of planes
When bullets meet in the air
Wood shipped from Sweden to Denmark on a giant raft