Recent Improvements in the Steam-engine in Its Various Applications to Mines, Mills, Steam Navigation, Railways, and Agriculture: Being a Supplement to 'The Catechism of the Steam-engine.'Longmans, Green, and Company, 1869 - 336 páginas |
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Página 3
... weight through 772 feet , or 772 lbs . through one foot , would , if expended in friction , produce as much heat as would raise the temperature of a pound of water one degree Fahrenheit . If we had a perfect engine for extracting the ...
... weight through 772 feet , or 772 lbs . through one foot , would , if expended in friction , produce as much heat as would raise the temperature of a pound of water one degree Fahrenheit . If we had a perfect engine for extracting the ...
Página 29
... weight of coal evaporated 14 · 11 cubic feet of water ; in Watt's boilers about the same ; in locomotive boilers from 11 to 12 cubic feet , and in Cornish boilers about 19 cubic feet . The election therefore has to be made between a ...
... weight of coal evaporated 14 · 11 cubic feet of water ; in Watt's boilers about the same ; in locomotive boilers from 11 to 12 cubic feet , and in Cornish boilers about 19 cubic feet . The election therefore has to be made between a ...
Página 53
... weight and swiftness of the fly - wheel . I do not by any means object to double - cylinder engines in toto . I only say that they should not be introduced for nothing ; and if they are introduced , such an increased pressure of steam ...
... weight and swiftness of the fly - wheel . I do not by any means object to double - cylinder engines in toto . I only say that they should not be introduced for nothing ; and if they are introduced , such an increased pressure of steam ...
Página 67
... weight of the link is balanced by a counterweight , so that the link is movable with equal facility in the upward and downward directions . STARTING CYLINDERS . In the larger class of marine engines the links are now very generally ...
... weight of the link is balanced by a counterweight , so that the link is movable with equal facility in the upward and downward directions . STARTING CYLINDERS . In the larger class of marine engines the links are now very generally ...
Página 69
... weight of the machinery would have been greater , the weight of the coals would have been less . By this expedient the power might have been nearly doubled without any increased consumption of coal per hour ; and as , by doubling the ...
... weight of the machinery would have been greater , the weight of the coals would have been less . By this expedient the power might have been nearly doubled without any increased consumption of coal per hour ; and as , by doubling the ...
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Recent Improvements in the Steam-Engine in Its Various Applications to Mines ... John Bourne Sin vista previa disponible - 2015 |
Términos y frases comunes
air pump apparatus arrangement Aveling and Porter axle boiler brass cast iron chimney coal constructed by Messrs crank shaft cylinder engines diameter DICTIONARY double cylinders driving wheels eccentric employed expansion feet fire fire-box friction fuel furnace gauge gear high-pressure HISTORY horizontal horse power Illustrations inches introduced leading wheels length link motion locomotives marine engines Maudslay Merryweather moving nominal horse power nominal power passes Penn pipe piston rods plate Post 8vo pressure of steam PUBLISHED BY LONGMANS railways represented in fig revised revolutions per minute scoop screw engines Second Edition Shand shown in fig side slide valve smoke speed Square crown 8vo Steam Engine steam fire-engines STEAM HAMMER steam jackets steam vessels steamer steel stroke superheater superheating surface condensers temperature thick tons TRACTION ENGINE trailing wheels trough tubes tubular boiler velocity vertical vols weight Wood Woodcuts wrought-iron
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