Wars of Wonders
Item set
Items
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Helicopter stays in air for fifteen minutes Helicopter stays in air for fifteen minutes
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Floating air-craft depot in middle of ocean Floating air-craft depot in middle of ocean -
Moisture-proof powder is also smokeless Moisture-proof powder is also smokeless
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Navy tests guard lives of air-craft crews Navy tests guard lives of air-craft crews -
Air patrol over Sahara guards desert peace Air patrol over Sahara guards desert peace -
Three million guns on Uncle Sam' hands Three million guns on Uncle Sam' hands -
Naval radio is controlled by phone switchboard Naval radio is controlled by phone switchboard -
Army finds way to keep its messages secret Army finds way to keep its messages secret -
Britain builds monster bombing airplane Britain builds monster bombing airplane -
U.S. Navy-s biggest guns given first test U.S. Navy-s biggest guns given first test -
Turntable airplane landing has 500-foot runway Turntable airplane landing has 500-foot runway
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Movable airdrome raised high above earth to assure safety of aviators Movable airdrome raised high above earth to assure safety of aviators -
Dazzle-painted airplane confuses the eyes Dazzle-painted airplane confuses the eyes -
All-purpose gas mask lets wearer talk All-purpose gas mask lets wearer talk -
Giant reduction gear used on U.S. Navy Tenders Giant reduction gear used on U.S. Navy Tenders -
Naval guns simulate huge pile drivers Naval guns simulate huge pile drivers -
"Boat-tail" bullets increase rifle accuracy "Boat-tail" bullets increase rifle accuracy -
Big electrostatic machine allays veterans'sills Big electrostatic machine allays veterans'sills -
A "Safety-first" toy gun A "Safety-first" toy gun -
Army .45 caliber pistol may be changed Army .45 caliber pistol may be changed -
New tear-gas gun makes effective weapon New tear-gas gun makes effective weapon -
Design hospital airplane for surgerical work Design hospital airplane for surgerical work
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Precise map surveys by aerial photography Precise map surveys by aerial photography -
Air service prepares map for airmen's use Air service prepares map for airmen's use
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World's-time clock for radio purposes World's-time clock for radio purposes