Aerial NavigationMacmillan and Company, 1877 - 513 páginas |
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Aerial Navigation Robert Blachford Mansfield,Charles Blachford Mansfield Sin vista previa disponible - 2016 |
Términos y frases comunes
acid aerial navigation aeronautics aerostat air-craft alter amount angle apparatus applied arrangement attached balance ballast balloon boat body bows burden carbonic carbonic acid Cayley centre of buoyancy centre of gravity coal gas condensation contrivance cords course craft cubic cylinder Delcourt diameter direction effect endeavour engine envelope equal equilibrium exerted experiments feet float flying forces acting former gas-vessel grammes greater ground gutta-percha heat horizontal hydrogen inches kite latter length lifting power light liquid material means Mech mechanical metal mode Monge motion move necessary obtained plane position pounds pressure propelling force proposed propulsion purpose quantity requisite respect result rise rope rowlock semi-minor axis side Sir George Cayley specific gravity speed spheroid steam stiffness stroke sufficient supposed surface suspended temperature tendency tion tube upward varnish velocity vertical vessel vulcanised weight whole wind wing zinc
Pasajes populares
Página viii - 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 f1ll with shouting, and there rained a ghastly dew From the nations...
Página 96 - Then I looked on all the works that my hands had wrought, and on the labour that I had laboured to do : and behold, all was vanity and vexation of spirit, and there was no profit under the sun.
Página vi - Make thee an ark of gopher wood; rooms shalt thou make in the ark, and shalt pitch it within and without with pitch. 15 And this is the fashion which thou shalt make it of: The length of the ark shall be three hundred cubits, the breadth of it fifty cubits, and the height of it thirty cubits.
Página 285 - And God said, Let the waters under the heaven be gathered together into one place, and let the dry land appear: and it was so.
Página viii - In the Parliament of man, the Federation of the world. There the common sense of most shall hold a fretful realm in awe, And the kindly earth shall slumber, lapt in universal law.
Página vi - A window shalt thou make to the ark, and in a cubit shalt thou finish it above; and the door of the ark shalt thou set in the side thereof; with lower, second, and third stories shalt thou make it.
Página 285 - And God created great whales, and every living creature that moveth, which the waters brought forth abundantly, after their kind, and every winged fowl after his kind : and God saw that it was good.
Página vii - Men, my brothers, men the workers, ever reaping something new : That which they have done but earnest of the things that * they shall do : *.n )• "jf.
Página 193 - ... spring might perhaps be serviceable for the motion of this engine, yet it were better to have it assisted by the labour of some intelligent mover, as the heavenly orbs are supposed to be turned. And therefore if it were made big enough to carry sundry persons together, then each of them in their...
Página viii - I triumph'd ere my passion sweeping thro' me left me dry, Left me with the palsied heart, and left me with the jaundiced eye; Eye, to which all order festers, all things here are out of joint : Science moves, but slowly slowly, creeping on from point to point : Slowly comes a hungry people, as a lion creeping nigher, Glares at one that nods and winks behind a slowly-dying fire. Yet I doubt not thro' the ages one increasing purpose runs, And the thoughts of men are widen'd with the process of the...