A Treatise on the Steam Engine: In Its Application to Mines, Mills, Steam Navigation, and RailwaysLongman, Brown, Green, and Longmans, 1847 - 258 страници |
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Страница 2
... employed for that purpose are of con- siderable elegance . In a work which has been often referred to , entitled Spiritalia seu Pneumatica , written by Hero , a philosopher of Alexandria , about 130 years before the Christian era , a ...
... employed for that purpose are of con- siderable elegance . In a work which has been often referred to , entitled Spiritalia seu Pneumatica , written by Hero , a philosopher of Alexandria , about 130 years before the Christian era , a ...
Страница 3
... employed to excite the wonder of the ignorant , and were never used for any serious purpose . To this judgment indeed the machinery of Blasco de Garay is an exception , for in that case , if the reports which have reached us may be ...
... employed to excite the wonder of the ignorant , and were never used for any serious purpose . To this judgment indeed the machinery of Blasco de Garay is an exception , for in that case , if the reports which have reached us may be ...
Страница 5
... employed in working of the engine , and those too the most apprehensive , supposing them more careful than boys : the difference of this charge is not to be mentioned when we con- sider the vast profit which those who use this engine ...
... employed in working of the engine , and those too the most apprehensive , supposing them more careful than boys : the difference of this charge is not to be mentioned when we con- sider the vast profit which those who use this engine ...
Страница 6
... employed to raise weights in the descent of the piston . Water is introduced underneath the piston through the hole closed by the screwed rod M , and a fire is applied beneath the cylinder bottom , which raises the water into steam ...
... employed to raise weights in the descent of the piston . Water is introduced underneath the piston through the hole closed by the screwed rod M , and a fire is applied beneath the cylinder bottom , which raises the water into steam ...
Страница 7
... employed by Newcomen were generally of lead , the inferior por- tions being composed of copper ; and it was not until many years after steam engines were applied to practical uses , that boilers composed altogether of iron plates ...
... employed by Newcomen were generally of lead , the inferior por- tions being composed of copper ; and it was not until many years after steam engines were applied to practical uses , that boilers composed altogether of iron plates ...
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air-pump applied atmosphere axis axle bars beam blast pipe body boiler bolts bottom Boulton Boulton and Watt brass breadth cast iron centre chimney coal cock column condenser connecting rod Cornish crank crank pin cross-head cubic foot cylinder in inches depth diameter of cylinder dimensions distance eccentric rod eduction elastic force equal expansion experiments fire fire-box flue fly-wheel furnace gibs and cutter given gravity heating surface horse power inch=1 foot inches of mercury length of stroke lever locomotive engine means mechanical effect Messrs moving Multiply paddle parallel motion piston rod plate port practice pressure proportion pump quantity radius revolution revolutions per minute revolving ring rule screw Section shaft side side rod smoke space spindle square inch steam engine steam pipe steam vessels STEAMER stroke suppose temperature thickness tubes vacuum velocity Watt weight wheel