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Diving faceplate for underwater work Image Caption: Shallow sea-diving without the costly and cumbersome equipment usually needed for underwater work, can be done with this diving "faceplate" designed by Richard B. Comstock, U.S.N
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Dioramas and scale models as instruments of war Title: Miniature battlefields save lives in invasion
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A twin rotors technology allows to replace the usual rear rotor of an aircraft with a vertical fin Image Caption: Twin rotors lift and propel a teardrop plywood craft designed and built in his spare time by Fred Landgraf, engineer at a Los Angeles, Calif. , aircraft company.
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The Distinguished Service Cross The D. S. C. - Our Medal for Valor
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A soldier saved himself from a shipwreck using a pillow-slip In Case of Shipwreck Grab a Pillow-Slip
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The improvements in radio-telephony and its importance for the communication Title: Flying a Mile High, He Hears You Speak
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Possible uses for gas masks in peacetime We Discover Peace-Time Uses for the Gas-Mask
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Different ways you could use German helmets, brought home by soldiers, in peace time
Title: Making Over Last Year's Hun Helmets
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Method developed by two French doctors aiming to treat the victims of shell shock Title: Making the Dumb to Speak
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How to construct a model dirigible How to Construct a Model Dirigible
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Making a homemade range for shooting Making an up-to-date range from a dingy cellar
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The signals used by the U. S. Army to correctly aim artillery during World War I How Uncle Sam Aimes His Artillery
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A pair of roller-skates transformed into toy tanks He Turned His Skates into Tanks
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A faster way to send messages with a telegraph Making the Wireless Talk Faster
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How ships and cargos sunk by the Germans can be recovered from the seabed Title: Lifting Sunken Tresure from the Sea
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A new method for transporting grain, invented by a British man during World War I, requires only a few laborers Title: It Pumps Grain Like Water
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Ambulance used by the Holland Army can carry up to eight patients Title: What's New in the Automobile World?
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The new U. S. battleship Maryland Our Latest Peace Preserver
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A battle costume for fighters able to stop bomb and shell fragments and keep the wearer from drowning. A four-way protection for fighters is provided by the Navy's latest battle costume
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A power-driven "chin turret" equipped with two .50 caliber guns that repel frontal attacks on B-17G A power-driven "chin turret" equipped with two .50 caliber guns that repel frontal attacks on B-17G
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A large rubber raft able to room 25 castaways and supplies for 30 days Caption: Twenty-five castaways, with enough supplies to last them 30 days, find ample room in the world's largest rubber raft
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The important role played by British and U. S. artists in the improvement of comouflage systems for ships Title: Fighting the U-Boat with Painting
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A new apparatus, perfected by British and U. S. aviators, which can determine the exact position of planes during flights
Title: Where Am I?
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A homemade bullet catcher for indoor use Title: A safe bullet catcher for indoor use
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American tractors may be used to solve the problem of agricultural reconstruction in Europe after World War I Title: A Cure for "Shell-Pox"
