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 47
... axle in a continuous rotatory motion ; this motion is communicated to another axle by the wheels ij : on the latter axis a fly is fixed , which preserves the motion equable and regular . There is much ingenuity in this invention ...
... axle in a continuous rotatory motion ; this motion is communicated to another axle by the wheels ij : on the latter axis a fly is fixed , which preserves the motion equable and regular . There is much ingenuity in this invention ...
Σελίδα 55
... axle by a handle , whilst the former is like the same axle turned by a wheel , fixed upon the handle . The principle will be better understood by reference to our drawing .. Let us suppose the connecting rod to be descending . At ...
... axle by a handle , whilst the former is like the same axle turned by a wheel , fixed upon the handle . The principle will be better understood by reference to our drawing .. Let us suppose the connecting rod to be descending . At ...
Σελίδα 69
... axle e , whose circumference is four feet , equal to one ascending and one descending stroke of the piston If a weight be suspended by a rope to this drum , as at h , the power of the engine at that point will exceed the power necessary ...
... axle e , whose circumference is four feet , equal to one ascending and one descending stroke of the piston If a weight be suspended by a rope to this drum , as at h , the power of the engine at that point will exceed the power necessary ...
Σελίδα 71
... axle as that on which the paddles are placed . By this contrivance , when the crank of one engine is passing the centre and has no power , the other is at its greatest power ; and , thus aiding each other , some- thing like an equality ...
... axle as that on which the paddles are placed . By this contrivance , when the crank of one engine is passing the centre and has no power , the other is at its greatest power ; and , thus aiding each other , some- thing like an equality ...
Σελίδα 73
... axles like the wheels of a water mill . Within them are placed a number of valves , that suffer any body to go round the channel in one direction only : in these steam vessels are placed weights , so fitted to them , as entirely to fill ...
... axles like the wheels of a water mill . Within them are placed a number of valves , that suffer any body to go round the channel in one direction only : in these steam vessels are placed weights , so fitted to them , as entirely to fill ...
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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