The Conquest of the Air: Or, The Advent of Aerial NavigationMoffat, Yard and Company, 1909 - 192 pages |
Other editions - View all
Common terms and phrases
20 miles aërial navigation Aërial Voyage aëro aëronaut aëroplane airship altitude Annonay apparatus ascent atmosphere average aviation ballast ballonet ballons-sondes Battle of Fleurus Blanchard Blue Hill captive balloon carried Chanute Clément-Bayard clouds Colonel Renard constructed Count von Zeppelin counter-trade creasing cubic feet cumulo-nimbus decrease descend different heights diminishes direction dirigible bal dirigible balloon distance Dupuy de Lôme earth engine envelope experiments feet Diameter feet in diameter feet long filled flight floating flying flying-machine Fort Myer France French front gas-bag German glider Globe ground hydrogen hydrogen gas invention Jeffries kite Lake Constance land lift loon Louis machine maximum ment meters METRES miles an hour miles per hour military minutes monoplane Montgolfier motion motor-balloon nearly night observations Observatory ocean of air October Paris Parseval Patrie pressure propeller rear resistance rigid rise rudder Santos-Dumont screw shown in Fig shows speed surface tained temperature tion trial velocity weight per horse-power wind velocity wings
Popular passages
Page 167 - 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 38 - 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 42 - 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 44 - 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 39 - 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 39 - ... 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, etc., etc.
Page 52 - ... 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 45 - ... 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.
Page 35 - ... to move the resisting air out of its way. There was some wind, but not very strong. A little rain had wet it, so that it shone, and made an agreeable appearance. It diminished in apparent magnitude as it rose, till it...
Page 43 - Weight than the other, which tho' vastly bigger, was filled with an Air that could scarcely be more than twice as light. Thus the great Bulk of one of these Machines, with the short duration of its Power...