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Show GREATEST OF ALL CONQUESTS In the Art of Flying We Stand at Threshold of Man's Greatest Achievement The mighty powers of nature have only been conquered by tnaa at tiU peril. Think of the holocaust of hu man lives that have gone up aa a burnt offer-lux look back at the beginning be-ginning of coal oil aa uu lllumlnant. th.i elevator, the steamboat, the rail i-o.i.l, (Mi- automobile and the tre-(in tre-(in mloiih powe ra controlled In high ex plosives. In the art of flying we atand ii.iui the threshold of, perhaps, the mightiest of all of man's conquest of nut lire, utid there will be no faltering, even If there be much sacrifice of life. The iilehea are ready and waiting fur the martyrs-the greatest martyrs of all. Tho fishes of the sea navigate within with-in a fluid by tin. rimnliiulutlon of fins for propulsloii. Hut man haa devised Miinetliii'K fur superior to f.ns. It Is the rotating propellor. In the air the birds sour on plum- which, at the mine tune, are used for propulsion. And here again, man has substituted the more efficient propellor with fixed plains for soaring. There remains the extraordinary and little known movements of the air. within which the new navigation must take place. To say that we know little that la pre else about these movements is to state the greatest difficulty In the way of aerial navigation, and point the way for man to soar to higher flights of flying. And out of the blue empyrean we will surely snatch the knowledge to guldo the flyer on his way. Hrlg Gen. Jones. U. S. A., In Columbian |