The Conquest of the Air: Or, The Advent of Aërial Navigation |
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20 miles aërial navigation Aërial Voyage aëro aëronaut aëroplane airship altitude angle apparatus ascent atmosphere average aviation ballast ballonet ballons-sondes Battle of Fleurus biplanes Blanchard Blue Hill captive balloon carried Chanute chine Clément-Bayard clouds Colonel Renard constructed creased cubic feet cumulo-nimbus descend diminishes direction dirigible bal dirigible balloon distance Dupuy de Lôme earth engine envelope experiments feet in diameter feet long filled flight floating flying flying-machine Fort Myer France French front gas-bag glider Globe ground height helicopter increases invention Jeffries kite Lake Constance land lift loon Louis machine maximum ment meters METRES miles an hour miles per hour military minutes monoplane motion motor-balloon nearly night Observatory ocean operator ornithopters Paris Parseval passenger Patrie planes pounds per horse-power pressure Professor Langley propeller rear resistance rigid rise rudder Santos-Dumont screw shown in Fig speed superposed supporting surface tained temperature tion trial vertical rudder Voisin Wilbur Wright wind velocity wings
Popular passages
Page 177 - For I dipt into the future, far as human eye could see, Saw the Vision of the world, and all the wonder that would be ; Saw the heavens fill with commerce, argosies of magic sails, Pilots of the purple twilight, dropping down with costly bales ; Heard the heavens fill with shouting, and there rained a ghastly dew From the nations...
Page 48 - Conversation produces on this Subject, some suppose Flying to be now invented, and that since Men may be supported in the Air, nothing is wanted but some light handy Instrument to give and direct Motion.
Page 52 - This method of filling the balloon with hot air is cheap and expeditious, and it is supposed may be sufficient for certain purposes, such as elevating an engineer to take a view of an enemy's army, works, etc., conveying intelligence into or out of a besieged town, giving signals to distant places, or the like.
Page 54 - It does not seem to me a good reason to decline prosecuting a new experiment which apparently increases the power of man over matter, till we can see to what use that power may be applied. When we have learnt to manage it, we may hope some time or other to find uses for it, as men have done for magnetism and electricity, of which the first experiments were mere matters of amusement.
Page 49 - Advanc'd by it, and that a Running Footman or a Horse slung and suspended under such a Globe so as to have no more of Weight pressing the Earth with their Feet, than Perhaps 8 or 10 Pounds, might with a fair Wind run in a straight Line across Countries as fast as that Wind, and over Hedges, Ditches & even Waters.
Page 49 - Water to be frozen when Ice is wanted. And that to get Money, it will be contrived to give People an extensive View of the Country, by running them up in an Elbow Chair a Mile high for a Guinea &c.
Page 50 - Enclosed is a copy of the proces verbal taken of the experiment made yesterday in the garden of the queen's palace la Muette, where the dauphin now resides, which being near my house, I was present. This paper was drawn up hastily, and may in some places appear to you obscure, therefore I shall add a few explanatory observations. This balloon was larger than that which went up from Versailles and carried the sheep, etc.
Page 45 - ... in the afternoon, when it was to be let loose. Care was taken, before the hour, to replace what portion had been lost of the inflammable air, or of its force, by injecting more. It is supposed that not less than...
Page 62 - ... the state and temperature of the atmosphere at different heights from the earth ; and fourthly, by observing the varying course of the currents of air, or winds, at certain elevations, to throw some new light on the theory of winds in general.
Page 55 - ... man over matter, till we can see to what use that power may be applied. When we have learnt to manage it, we may hope some time or other to find uses for it, as men have done for magnetism and electricity, of which the first experiments were mere matters of amusement. This experiment is by no means a trifling one. It may be attended with important consequences that no one can foresee.