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 17
... half an hour's experience , to keep a con- stant stream running out the full bore of the pipe . On the outside of the vessel you may see how the water goes out , as well as if the vessel were transparent ; for as far as the steam ...
... half an hour's experience , to keep a con- stant stream running out the full bore of the pipe . On the outside of the vessel you may see how the water goes out , as well as if the vessel were transparent ; for as far as the steam ...
Σελίδα 55
... half a stroke to make before the wheel h will be under the other wheel , the latter wheel must perform a semi - revolu- tion , whilst the centre h has only described one - fourth , or , in other words , for each half stroke of the ...
... half a stroke to make before the wheel h will be under the other wheel , the latter wheel must perform a semi - revolu- tion , whilst the centre h has only described one - fourth , or , in other words , for each half stroke of the ...
Σελίδα 57
... half the length of the main beam , the engine house must , to admit it , be nearly one half longer than is required for the beam alone . The form generally preferred is that given in our connected drawing , to which we will refer . The ...
... half the length of the main beam , the engine house must , to admit it , be nearly one half longer than is required for the beam alone . The form generally preferred is that given in our connected drawing , to which we will refer . The ...
Σελίδα 62
... half , or .... .5 ⚫55 • 6 Supply of steam cut off , 0 454 0.417 65 and the descent 0.385 .7 Three fourths , or 75 is produced by | 0.375 expansion only .8 ............ 0.312 .85 0.294 • 9 0.277 .95 0.262 Bottom of the Cylinder.1 . 0 ...
... half , or .... .5 ⚫55 • 6 Supply of steam cut off , 0 454 0.417 65 and the descent 0.385 .7 Three fourths , or 75 is produced by | 0.375 expansion only .8 ............ 0.312 .85 0.294 • 9 0.277 .95 0.262 Bottom of the Cylinder.1 . 0 ...
Σελίδα 68
... half of ba . It would , therefore , require a weight double of the former to continue the motion . And if the crank descend tof , the vertical line , df , shows d a to be the length of the lever , and to be only one fourth of what it ...
... half of ba . It would , therefore , require a weight double of the former to continue the motion . And if the crank descend tof , the vertical line , df , shows d a to be the length of the lever , and to be only one fourth of what it ...
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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