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He was fifty-three years old, adding one more to the long list of men who found their real life's work after middle age. With him was associated his brother Eberhard, the two forming a partnership in aeronautical work as inseparable as that of Wilbur and Orville Wright.
The rotary air-cooled type has its uses, and for them it will probably remain among the range of current types for some time to come. Experience of matters aeronautical is sufficient to show, however, that prophecy in any direction is most unsafe.
Arm in arm the two boys left the garage on the upper floor of which they had fitted up their aeronautical workshop. There the Golden Eagle, their big twin-screw aeroplane, had been planned and partially built, and here, too, they were now working on a motor-sledge for the expedition which now occupied most of their waking and sleeping thoughts.
But Lord Roberts A has been pretty exhaustively figured and described in various aeronautical publications. The unforeseen defect was the badness of the work in the silk netting.
But if we were to follow the methods which all the belligerent nations of Europe are employing on their sea coasts we would establish in this district ten aeronautical stations. This would be no match for the British system which has one such station to every twenty miles of coast.
Within recent years special courses have been organized leading to degrees in Architectural Engineering, Chemical Engineering, and Aeronautical Engineering, as well as special groups of courses in such branches as sanitary, transportation, automobile, hydro-mechanical, industrial, and gas engineering and paper manufacturing.
Let it not be thought that in this comment there is any desire to derogate from the position which Ader should occupy in any study of the pioneers of aeronautical enterprise. If he failed, he failed magnificently, and if he succeeded, then the student of aeronautics does him an injustice and confers on the Brothers Wright an honour which, in spite of the value of their work, they do not deserve.
It is customary and reasonable to discard as fanciful the various devices and theories put forward by the experimenters in the Middle Ages and fix the beginning of practical aeronautical devices with the invention of hot-air balloons by the Montgolfiers, of Paris, in 1783. The Montgolfier brothers, Joseph and Jacques, were paper-makers of Paris.
The repairs to the mechanism were carried out and on October 17th and 21st of the same year further flights were made. By this time certain influential Teuton aeronautical experts who had previously ridiculed Zeppelin's idea had made a perfect volte-face.
Even the average spectator of aeronautical advance in the past three years must see that if anything like the same rate of growth be maintained, by the end of 1918 aircraft numbered in tens of thousands and with extraordinary capacities for speed, climb, and attack will make life a burden to ground troops, compromise lines of communication, cause repeated havoc to factories and strongholds, and promote loss of balance among whatever civilian populations come within range of their activity.
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