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 20
... ring , with a groove formed round the edge like a pulley ; and it has a round hole through it , the centre of which is about six inches out of the centre of the circle . This excentric is fixed fast upon the square axis by four wedge ...
... ring , with a groove formed round the edge like a pulley ; and it has a round hole through it , the centre of which is about six inches out of the centre of the circle . This excentric is fixed fast upon the square axis by four wedge ...
Страница 31
... ring itself , but if the ring be uniform it will be in the axis of its circumscribing cylinder ; and if the ring varies in form or density , it will be situated nearest to those parts where the weight or density is greatest . Varying ...
... ring itself , but if the ring be uniform it will be in the axis of its circumscribing cylinder ; and if the ring varies in form or density , it will be situated nearest to those parts where the weight or density is greatest . Varying ...
Страница 33
... ring revolving about one of its diameters as an axis it is equal to the radius multiplied by the square root of . In a solid globe revolving about the diameter it is equal to the radius multiplied by the square root of . In the surface ...
... ring revolving about one of its diameters as an axis it is equal to the radius multiplied by the square root of . In a solid globe revolving about the diameter it is equal to the radius multiplied by the square root of . In the surface ...
Страница 36
... ring of the same diameter and size over the flame . This being a much worse conductor of heat , will not extinguish it even when cold . If its size , however , be made greater , and its circumference smaller , it will act like the ...
... ring of the same diameter and size over the flame . This being a much worse conductor of heat , will not extinguish it even when cold . If its size , however , be made greater , and its circumference smaller , it will act like the ...
Страница 37
... ring of wire operated on the small flame of a lamp in one of the experiments we have recited . If the flame resulting from the combustion of the smoke does not act upon the boiler , no calorific effect can of course be obtained from it ...
... ring of wire operated on the small flame of a lamp in one of the experiments we have recited . If the flame resulting from the combustion of the smoke does not act upon the boiler , no calorific effect can of course be obtained from it ...
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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