The steam engine |
Dentro del libro
Resultados 1-5 de 46
Página vii
... space of about a cubic inch of water . In raising steam , a large amount of caloric is absorbed which is not observable by the thermometer ; this is termed " latent heat . " By this is meant the amount of heat required to evaporate a ...
... space of about a cubic inch of water . In raising steam , a large amount of caloric is absorbed which is not observable by the thermometer ; this is termed " latent heat . " By this is meant the amount of heat required to evaporate a ...
Página 1
... space in the altar above the water to the space in the vases above the wine ; and other tubes are taken from the vases , below the level of the wine , to the hands of the images . Matters being thus pre- pared , when you are about to ...
... space in the altar above the water to the space in the vases above the wine ; and other tubes are taken from the vases , below the level of the wine , to the hands of the images . Matters being thus pre- pared , when you are about to ...
Página 9
... space of time will draw up four vessels of water through a tube or channel not more than a span in width , on which account it is considered to be of greater service to the public than the other machine at Somerset House . " " This ...
... space of time will draw up four vessels of water through a tube or channel not more than a span in width , on which account it is considered to be of greater service to the public than the other machine at Somerset House . " " This ...
Página 14
... space , so that the receiver is immediately refilled by the external pressure of the atmosphere , or what is vulgarly called suction , whilst the other receiver is emptying by the impellant force of the steam ; which being done , you ...
... space , so that the receiver is immediately refilled by the external pressure of the atmosphere , or what is vulgarly called suction , whilst the other receiver is emptying by the impellant force of the steam ; which being done , you ...
Página 16
... space is owing to the pressure of the atmosphere , which acts upon all bodies at the earth's surface with a definite pressure . In 1672 the celebrated Otto Guericke , in his Experimenta Magdeburgica , detailed an apparatus by which he ...
... space is owing to the pressure of the atmosphere , which acts upon all bodies at the earth's surface with a definite pressure . In 1672 the celebrated Otto Guericke , in his Experimenta Magdeburgica , detailed an apparatus by which he ...
Otras ediciones - Ver todo
Términos y frases comunes
actuated adopted air-pump aperture apparatus applied arrangement atmosphere attached beam bolted bottom carried centre Chacewater chimney cistern cock cold water condenser connected connecting-rod construction contrivance crank cross-head cylinder Dalswinton diagram in fig diameter disc eccentric eccentric-rod effect expansion expansion-valve experiments feet fire-box flue force fuel Fulton furnace George Stephenson give heat high-pressure Illustrated London illustrative improvement inches interior introduced invention latent heat lever locomotive Lord Dundas lower machine means Mechanics and Mechanism motion moved ordinary passing patent pipe piston piston-rod placed plate port practical present pressure principle pulley pump raised ratchet-wheels receiver regulator revolving rotatory engine safety-valve Savery screw shaft shut slide space spindle steam steam is admitted steam-boat steam-engine steam-pipe stroke stuffing-box supply surface Symington tappets Timothy Hackworth tion tubes upper side vacuum valve vapour vessel Watt Watt's weight wheel William Symington
Pasajes populares
Página 57 - He had a certain quiet and grave humour, which ran through most of his conversation, and a vein of temperate jocularity, which gave infinite zest and effect to the condensed and inexhaustible information which formed its main staple and characteristic. There was a little air of affected testiness, and a tone of pretended rebuke and contradiction, with which he used to...
Página 6 - I have taken a piece of a whole cannon, whereof the end was burst, and filled it three quarters full of water, stopping and screwing up the broken end, as also the touch-hole ; and making a constant fire under it, within twenty-four hours it burst, and made a great crack...
Página 31 - Papin's digester, and formed a species of steam-engine by fixing upon it a syringe, one-third of an inch diameter, with a solid piston, and furnished also with a cock to admit the steam from the digester, or shut it off at pleasure, as well as to open a communication from the inside of the syringe to the open air, by which the steam contained in the syringe might escape. When the communication between the digester and syringe was opened, the steam entered the syringe, and by its action upon the piston...
Página 57 - ... known, that he was curiously learned in many branches of antiquity, metaphysics, medicine, and etymology, and perfectly at home in all the details of architecture, music, and law. He was well acquainted too with most of the modern languages, and familiar with their most recent literature. Nor was it at all extraordinary to hear the great mechanician and engineer detailing and expounding, for hours together, the metaphysical theories of the German logicians, or criticising the measures or the...
Página 187 - Drawing Book (The Illustrated). Comprising a Complete Introduction to Drawing and Perspective ; with Instructions for Etching on Copper or Steel, &c. &c. By ROBERT SCOTT BURN. Illustrated with above 300 Subjects for Study in every branch of Art. Demy 8vo, cloth, *t.
Página 163 - A Description and Draught of a new-invented Machine, for carrying Vessels or Ships out of, or into, any Harbour, Port, or River, against Wind and Tide, or in a calm.
Página 57 - It is needless to say that with those vast resources his conversation was at all times rich and instructive in no ordinary degree. But it was, if possible, still more pleasing than wise, and had all the charms of familiarity, with all the substantial treasures of knowledge. No man could be more social in his spirit, less assuming or fastidious in his manners, or more kind and indulgent towards all who approached him. He rather liked to talk — at least in his latter years.
Página 187 - We can have no hesitation in giving it as our opinion, that this is the most elaborate and successful undertaking of the kind which has ever appeared.
Página 7 - ... a way to make my vessels, so that they are strengthened by the force within them, and the one to fill after the other. I have seen the water run like a constant fountain-stream forty feet high ; one vessel of •water rarified by fire, driveth up forty of cold water.
Página 48 - Having made my reciprocating engines very regular in their movements, I considered how to produce rotative motions from them in the best manner ; and amongst various schemes which were subjected to trial, or which passed through my mind, none appeared so likely to answer the purpose as the application of the crank in the manner of the common turning lathe (an invention of great merit, of which the humble inventor, and even its era, are unknown).