Word: ft
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Dates: during 1930-1939
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This enormous ensign, first unfurled on their building on Armistice Day, November 11, 1923 is 90 ft. by 230 ft...
deep, 500 ft. wide, 3,000 ft. long...
Last winter a free-lance deep-sea diver and experimenter named Max Nohl had himself lowered 420 ft. to the bottom of Lake Michigan, thus making the world's deepest dive to date in a diving suit (TIME, Dec. 13).* In so doing, Max Nohl conclusively showed the value of a helium-oxygen mixture for deep diving. Helium is a light gas, requires little effort to inhale. It also seems to forestall that bugbear of divers, "the bends" (gas bubbles in the blood...
Last week, the U. S. Navy reported a successful dive to 402 ft., using the helium-oxygen mixture. The Navy record was still 18 ft. short of Nohl's mark. The Navy also announced an "artificial dive" in a pressure chamber duplicating the pressure 500 ft. down, indicating that actual dives to that grim depth may soon be accomplished...
...William Beebe's bathysphere record is 3,028 ft...