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 15
... apparatus , we submit , approaches nearer than any to the idea which we of the present day might form from the Marquis's description ; but it should be observed , that , by such a modification , we may be giving him credit for ...
... apparatus , we submit , approaches nearer than any to the idea which we of the present day might form from the Marquis's description ; but it should be observed , that , by such a modification , we may be giving him credit for ...
Σελίδα 48
... apparatus and funds by which they were enabled to contribute largely to the general diffusion of useful knowledge among that class of individuals to whom it was peculiarly beneficial . This was one among the many advantages which arose ...
... apparatus and funds by which they were enabled to contribute largely to the general diffusion of useful knowledge among that class of individuals to whom it was peculiarly beneficial . This was one among the many advantages which arose ...
Σελίδα 63
... apparatus on which the safety of all steam engines depends , is the safety valve ; that of Mr. Watt was of the lever kind ; the valve itself is conical , and so loaded that its weight may exceed the force of the steam within . As soon ...
... apparatus on which the safety of all steam engines depends , is the safety valve ; that of Mr. Watt was of the lever kind ; the valve itself is conical , and so loaded that its weight may exceed the force of the steam within . As soon ...
Σελίδα 123
... apparatus similar to that represented at fig . 1. , or by pulls · attached to the outer end of the shaft and tube , acting upon a ratchet , which is fixed to the fly - wheel shaft ; in the latter case , the palls would successively take ...
... apparatus similar to that represented at fig . 1. , or by pulls · attached to the outer end of the shaft and tube , acting upon a ratchet , which is fixed to the fly - wheel shaft ; in the latter case , the palls would successively take ...
Σελίδα 139
... apparatus ; d d the pipe , which conveys the hot water from the condenset to the hot well ; e e e valves for admitting and excluding the water ; ff the injection pipe , and g the injection cock ; h the condenser . It does not appear ...
... apparatus ; d d the pipe , which conveys the hot water from the condenset to the hot well ; e e e valves for admitting and excluding the water ; ff the injection pipe , and g the injection cock ; h the condenser . It does not appear ...
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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