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
... space , which is as speedily filled up by water from the mine , through the clack at the bottom of i ; the clack o opening upwards , prevents the column of water in o q from descending , whilst the com- pressed air rr , keeps a constant ...
... space , which is as speedily filled up by water from the mine , through the clack at the bottom of i ; the clack o opening upwards , prevents the column of water in o q from descending , whilst the com- pressed air rr , keeps a constant ...
Σελίδα 38
... space left by the ascent of the piston ; for as the descent of the piston was only in consequence of the vacuum occasioned by the interior of the cylinder being sufficiently cooled to condense the steam , this cooled sur- face must be ...
... space left by the ascent of the piston ; for as the descent of the piston was only in consequence of the vacuum occasioned by the interior of the cylinder being sufficiently cooled to condense the steam , this cooled sur- face must be ...
Σελίδα 65
... when 9 ん moving from c to d , an equal portion of a f a revolution , the piston only moves a distance equal to gd , in the same space of time , as it had 4 . RECIPROCATING MOTION . 65 engine. The motion of a massive beam, and ...
... when 9 ん moving from c to d , an equal portion of a f a revolution , the piston only moves a distance equal to gd , in the same space of time , as it had 4 . RECIPROCATING MOTION . 65 engine. The motion of a massive beam, and ...
Σελίδα 66
With a Practical Investigation of Its Structure and Application Elijah Galloway. in the same space of time , as it had previously moved a distance equal to b g , almost double of d g . Hence it appears that the crank , by gradually ...
With a Practical Investigation of Its Structure and Application Elijah Galloway. in the same space of time , as it had previously moved a distance equal to b g , almost double of d g . Hence it appears that the crank , by gradually ...
Σελίδα 67
... space of the shorter . ཛཱ ཝཱ The crank of a steam engine is a lever whose fulcrum is at a . It is the nature of the crank that its power or leverage varies with its position . Let ab represent the crank , the point b is moved by the ...
... space of the shorter . ཛཱ ཝཱ The crank of a steam engine is a lever whose fulcrum is at a . It is the nature of the crank that its power or leverage varies with its position . Let ab represent the crank , the point b is moved by the ...
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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