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
... considerable height , and which , as the water cools when taken from the fire , descends again by air's pressure , and is applied to raise water out of the mine . " This , as far as discovery goes , entitles Papin to the merit of having ...
... considerable height , and which , as the water cools when taken from the fire , descends again by air's pressure , and is applied to raise water out of the mine . " This , as far as discovery goes , entitles Papin to the merit of having ...
Σελίδα 15
... considerable height , and which , as the water cools when taken from the fire , descends again by air's pressure , and is applied to raise water out of the mine . " This , as far as discovery goes , entitles Papin to the merit of having ...
... considerable height , and which , as the water cools when taken from the fire , descends again by air's pressure , and is applied to raise water out of the mine . " This , as far as discovery goes , entitles Papin to the merit of having ...
Σελίδα 17
... considerable quantity of steam be gone up the clack R : but it is better to let none of the steam go off , for that is losing so much strength , and is easily prevented , by altering the cocks some little time before the vessel is ...
... considerable quantity of steam be gone up the clack R : but it is better to let none of the steam go off , for that is losing so much strength , and is easily prevented , by altering the cocks some little time before the vessel is ...
Σελίδα 27
... engine , in every respect , not only did its work better , but went more pleasantly . This at once convinced me that a considerable degree of condensation of the steam took place in entering the cy- SMEATON'S IMPROVEMENTS . 97.
... engine , in every respect , not only did its work better , but went more pleasantly . This at once convinced me that a considerable degree of condensation of the steam took place in entering the cy- SMEATON'S IMPROVEMENTS . 97.
Σελίδα 48
... considerable weight ( fifteen pounds ) with which it was loaded . When this was raised as high as was thought proper , the communication with the digester was shut , and that with the atmosphere opened ; the steam then made its escape ...
... considerable weight ( fifteen pounds ) with which it was loaded . When this was raised as high as was thought proper , the communication with the digester was shut , and that with the atmosphere opened ; the steam then made its escape ...
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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