History and Progress of the Steam Engine: With a Practical Investigation of Its Structure and ApplicationThomas Kelly, 1839 - 859 σελίδες |
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Σελίδα 21
... admission of steam from the boiler , into the pump cylinder , above the floater ; and the valve g is lifted , to allow ... admitted on the surface of the floater , and drives up the water as before . This machine Papin published as the ...
... admission of steam from the boiler , into the pump cylinder , above the floater ; and the valve g is lifted , to allow ... admitted on the surface of the floater , and drives up the water as before . This machine Papin published as the ...
Σελίδα 32
... admitted with the injection , and would otherwise obstruct the due operation of the engine . t , t , the cylinder beams , which are strong girdles going through the house , for supporting or rather keeping down the cylinder . v , the ...
... admitted with the injection , and would otherwise obstruct the due operation of the engine . t , t , the cylinder beams , which are strong girdles going through the house , for supporting or rather keeping down the cylinder . v , the ...
Σελίδα 38
... admitted was not quite so elastic as common air . Suppose the mercury in the barometer to stand at 30 inches , and that the preponderancy at the outer end of the beam was equal to th of the pressure of the air on the piston , the piston ...
... admitted was not quite so elastic as common air . Suppose the mercury in the barometer to stand at 30 inches , and that the preponderancy at the outer end of the beam was equal to th of the pressure of the air on the piston , the piston ...
Σελίδα 57
... admitted into the cylinder , and may be easily understood . The balls are heavy , and rise or fall according to the speed . When the engine goes too quickly , they also revolve with equal rapidity ; the 3 . I PARALLEL MOTION . 57 equal ...
... admitted into the cylinder , and may be easily understood . The balls are heavy , and rise or fall according to the speed . When the engine goes too quickly , they also revolve with equal rapidity ; the 3 . I PARALLEL MOTION . 57 equal ...
Σελίδα 59
... admitted into the condenser , which expedites the con- densation . There are a number of tappets on the pump rod , 4 , which repeat the changing of the valves when the engine is left to itself . The water in the reservoir sur- rounding ...
... admitted into the condenser , which expedites the con- densation . There are a number of tappets on the pump rod , 4 , which repeat the changing of the valves when the engine is left to itself . The water in the reservoir sur- rounding ...
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admitted aperture apparatus applied atmosphere attached axis axle bars beam boiler bottom cause centre chimney circular cistern coal cock communication condenser connected connecting rod construction crank cylinder descend described diameter eduction effect elastic equal escape expansion experiments feet fire fixed flue fluid fly-wheel force friction frustrum fuel furnace groove heat hole hollow horizontal improvements inch inches of mercury inclined plane injection invention iron Jacob Perkins lever Liverpool London lower machine machinery means metal motion moving packing paddle-wheel paddles pass patent piston rod placed plate pounds pressure prevent produced propelling pump purpose quantity rail rail-way represents revolving ring rotary engine rotatory round screwed shaft shut side sliders sliding smoke steam boats steam carriage steam engine steam pipe stroke stuffing box supply surface temperature tion tube turn upper vacuum valve vapour velocity vertical Watt weight wheel