The steam engine |
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Página 27
... showing the arrangements , derived from a plate in Smeaton's Reports ( vol . ii . plate 11 ; published by Walton and Maberly , Paternoster Row ) . The diameter of cylinder was 72 inches , length of stroke 9 feet ; making 9 strokes per ...
... showing the arrangements , derived from a plate in Smeaton's Reports ( vol . ii . plate 11 ; published by Walton and Maberly , Paternoster Row ) . The diameter of cylinder was 72 inches , length of stroke 9 feet ; making 9 strokes per ...
Página 42
... showing that more than one- half of the whole steam has been saved by making it act expansively . 66 ' Although the saving of steam is very considerable by making it work expansively , the power of the engine is reduced ; thus , where ...
... showing that more than one- half of the whole steam has been saved by making it act expansively . 66 ' Although the saving of steam is very considerable by making it work expansively , the power of the engine is reduced ; thus , where ...
Página 50
... showing its application to the opening and closing of the valve by which the steam is admitted to the engine . In the single - acting engines the throttle - valve was opened and shut by hand , a regulated its own motion . a a Or d fig ...
... showing its application to the opening and closing of the valve by which the steam is admitted to the engine . In the single - acting engines the throttle - valve was opened and shut by hand , a regulated its own motion . a a Or d fig ...
Página 64
... showing the method of its operation is given in fig . 34 : where aa is part of the boiler , on which a four - way cock b is placed ; c and d are two pipes communicat- ing with the bottom of the two cylinders , in which the pistons e and ...
... showing the method of its operation is given in fig . 34 : where aa is part of the boiler , on which a four - way cock b is placed ; c and d are two pipes communicat- ing with the bottom of the two cylinders , in which the pistons e and ...
Página 86
... showing its form , is given in fig . 58 ; a is the fire - place , cc the upper flues , bb the lower ditto ; the steam was taken from the upper - part d through the pipe e . This boiler was formed of plates of cast - iron , joined ...
... showing its form , is given in fig . 58 ; a is the fire - place , cc the upper flues , bb the lower ditto ; the steam was taken from the upper - part d through the pipe e . This boiler was formed of plates of cast - iron , joined ...
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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).