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 14
... piston of the other cylinder ; and when the piston of the first cylin- der was elevated , that of the second would be drawn down by partial vacuum which the elevation produced . This experiment failed even in a model , owing to the ...
... piston of the other cylinder ; and when the piston of the first cylin- der was elevated , that of the second would be drawn down by partial vacuum which the elevation produced . This experiment failed even in a model , owing to the ...
Σελίδα 15
... piston of the other cylinder ; and when the piston of the first cylin- der was elevated , that of the second would be drawn down by partial vacuum which the elevation produced . This experiment failed even in a model , owing to the ...
... piston of the other cylinder ; and when the piston of the first cylin- der was elevated , that of the second would be drawn down by partial vacuum which the elevation produced . This experiment failed even in a model , owing to the ...
Σελίδα 18
... piston of a steam engine . He states , that " having screwed a large broad piece of leather to the piston , which turned up the sides of the cylinder two or three inches , in working , it wore through , and cut that piece from the other ...
... piston of a steam engine . He states , that " having screwed a large broad piece of leather to the piston , which turned up the sides of the cylinder two or three inches , in working , it wore through , and cut that piece from the other ...
Σελίδα 24
... piston or plunger , whose diameter exactly fills the area of the cylinder . It is packed or stuffed on its edge , so as to preserve the vacuum as perfect as possible : i is the beam , or ( as it is called in some of the coal districts ) ...
... piston or plunger , whose diameter exactly fills the area of the cylinder . It is packed or stuffed on its edge , so as to preserve the vacuum as perfect as possible : i is the beam , or ( as it is called in some of the coal districts ) ...
Σελίδα 27
... piston ; and divide 2640 by 254 , the area of the piston , gives 10.4 lbs . pressure per inch . " Having once seen a common engine struggle under its burthen , " says this ingenious engineer , " I thought myself quite secure under those ...
... piston ; and divide 2640 by 254 , the area of the piston , gives 10.4 lbs . pressure per inch . " Having once seen a common engine struggle under its burthen , " says this ingenious engineer , " I thought myself quite secure under those ...
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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