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Show GREATEST OF ALL CONQUESTS In the Art of -Flying We Stand at Threshold of Man's Qreatest I Achievement 1 Tho mighty powers of nature have only been conquered by man at his j peril. Think of the holocaust of human hu-man lives that have gone up as a burnt offering. Look back at the bo-ginning bo-ginning of coal oil at an illumlnant, tho elovator, tbo sUamboat, the railroad, rail-road, tho automobile and the tremendous tre-mendous powera controlled In high ex plosives. In the art of flying we stand upon tho threshold 0, perhaps, the mightiest of all of man's conquest of nature, and there will be no faltering, oven if there be much sacrifice ol life. The niches are ready and waiting for tho mattyrs the greatest martyrs of 1 all. 1 Tho fishes of the sea navigate with- ' In a fluid by tho manipulation of fins ' for propulsion. But man has devised something far superior to fins. It Is ! the rotating propellor. In tho air the birds soar on planes which, at the ' same time, aro used for propulsion. And hero again, man has substituted the more efficient propellor with fixed planes for soaring. Thoro remains tho extraordinary and little known movomonts of tho air, within which tho now navigation must take place. To say that we know llttlo thnt Is precise pre-cise about these movements Is to state the greatest difficulty In the way of aerial navigation, and point tho way for man to soar to higher flights of flying. And out of tho blue empyrean wo will surely snatch tho knowlodgo to guide tho flyer on his way. Brig. Gen. Jones, U. 8. A., in Columbian. |