Aërial Navigation: A Popular Treatise on the Growth of Air Craft and on Aëronautical MeteorologyD. Appleton and Company, 1911 - Broj stranica: 494 |
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Aërial Navigation: A Popular Treatise on the Growth of Air Craft and on ... Albert Francis Zahm Ograničeni pregled - 2023 |
Aërial Navigation: A Popular Treatise on the Growth of Air Craft and on ... Albert Francis Zahm Pregled nije dostupan - 2018 |
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actuating aërial Aëro Club aëronautics aëroplane air ship aloft altitude ascending atmosphere average speed aviation ballonet barometer biplane bird Blériot carried Chanute Clément-Bayard clouds constructed course craft cubic feet Curtiss cyclone density dirigible distance earth earth's surface engine experiments Farman feet in diameter feet long flew flight float flyer France front glider gradient ground heated Henri Farman Henri Giffard horizontal horse power hull hydrogen inventor isobaric kilometers land Langley launching Lilienthal ment meters miles an hour miles per hour minutes monoplane monsoon motion motor balloon mounted navigation nearly observed parachute Paris Parseval passengers Paulhan pilot plane pounds practical pressure prize propeller rear record resistance Rheims rudder sailed Santos-Dumont screw soaring square feet stability steam steering temperature tion tornado trial upward vapor velocity vessel vortex voyage weather weight wheels wind wings Wright brothers Zeppelin
Popularni odlomci
Stranica 8 - At once on the eastern cliff of Paradise He lights; and to his proper shape returns A seraph wing'd : six wings he wore, to shade His lineaments divine ; the pair that clad Each shoulder, broad, came mantling o'er his breast With regal ornament ; the middle pair Girt like a starry zone his waist, and round Skirted his loins and thighs with downy gold, And colours dipt in heaven; the third his feet Shadow'd from either heel with feather'd mail, Sky-tinctured grain.
Stranica 237 - The appearance, instantaneously disclosed, Was of a mighty City — boldly say A wilderness of building, sinking far And self-withdrawn into a wondrous depth, Far sinking into splendour — without end ! Fabric it seemed of diamond and of gold, With alabaster domes, and silver spires, And blazing terrace upon terrace, high Uplifted ; here, serene pavilions bright, In avenues disposed ; there, towers begirt With battlements that on their restless fronts Bore stars — -illumination of all gems...
Stranica 449 - 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.
Stranica 5 - When now the boy, whose childish thoughts aspire To loftier aims, and make him ramble higher; Grown wild and wanton, more embolden'd flies Far from his guide, and soars among the skies: The softening wax, that felt a nearer sun, Dissolved apace, and soon began to run: The youth in vain his melting pinions shakes; His feathers gone, no longer air he takes.
Stranica 452 - 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.
Stranica 447 - O'clock Notice was given to the Spectators by the Firing of two Cannon, that the Cord was about to be cut. And presently the Globe was seen to rise, and that as fast as a Body of...
Stranica 451 - 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.
Stranica 67 - I was still conscious, with as active a brain as at the present moment whilst writing this. I thought I had been seized with asphyxia, and...
Stranica 20 - He next describes the construction of an aerial machine, " which," he says, "must be a large, hollow globe of copper, or other suitable metal, wrought extremely thin, in order to have it as light as possible. It must then," he continues, " be filled with ' ethereal air or liquid fire,' and then launched from some elevated point into the atmosphere, where it will float like a vessel on water.
Stranica 450 - 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.