History and Progress of the Steam Engine: With a Practical Investigation of Its Structure and ApplicationThomas Kelly, 1832 - 863 σελίδες |
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Σελίδα 6
... experiments , the expansive force alone appears to have been applied , and that merely in an ineffective toy , known by the name of the oelopile . The first individual on record who used it , appears to have been Hero , the elder , an ...
... experiments , the expansive force alone appears to have been applied , and that merely in an ineffective toy , known by the name of the oelopile . The first individual on record who used it , appears to have been Hero , the elder , an ...
Σελίδα 10
... experiments , or he could not have come to this conclusion . But whilst we cannot admit the Marquis to be entitled to the extravagant encomiums which have been lavished upon him , we are far from disallowing his inven tion to possess ...
... experiments , or he could not have come to this conclusion . But whilst we cannot admit the Marquis to be entitled to the extravagant encomiums which have been lavished upon him , we are far from disallowing his inven tion to possess ...
Σελίδα 13
... experiment . An ac- count of some of his experiments on the force of steam , however , is preserved among the Harleian Manuscripts in the British Museum , which is evidently the result of great care , and exhibits much correctness in ...
... experiment . An ac- count of some of his experiments on the force of steam , however , is preserved among the Harleian Manuscripts in the British Museum , which is evidently the result of great care , and exhibits much correctness in ...
Σελίδα 14
... experiments occupied a number of years , and in their progress many ideas occurred to him , which have since been adopted as important improvements . His earliest project was that of using an air pump , for the purpose of transmitting ...
... experiments occupied a number of years , and in their progress many ideas occurred to him , which have since been adopted as important improvements . His earliest project was that of using an air pump , for the purpose of transmitting ...
Σελίδα 15
... experiment , we would have had to record him as the man who first brought it into successful operation . But the greatest merit is not always due to the inventor ; thousands of the most brilliant discoveries have perished for want of ...
... experiment , we would have had to record him as the man who first brought it into successful operation . But the greatest merit is not always due to the inventor ; thousands of the most brilliant discoveries have perished for want of ...
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admitted aperture apparatus applied atmosphere attached axis axle bars beam boiler bottom carriage cause centre chimney circular 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 moving packing paddle-wheel paddles pass passage 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 space steam boats steam engine steam pipe steam-tight stroke stuffing box supply surface temperature tion tube turned upper vacuum valve vapour velocity vertical Watt weight wheel
Δημοφιλή αποσπάσματα
Σελίδα 9 - contained in the Marquis of Worcester's celebrated " Century of Inventions," dated 1663 ; the original manuscript of which is preserved in the British Museum. The following is the Marquis's own description :— "An admirable and most forcible way to drive up water by fire, not by drawing or sucking it upwards, for that must be, as the philosopher calls it, infra sphteram
Σελίδα 805 - court, in case of conviction, to award such costs as may be deemed proper and reasonable to the prosecutor or prosecutors, to be paid by the party or parties so convicted. "And be it further enacted, that if it shall appear to the
Σελίδα 51 - communication were opened between a cylinder containing steam, and another vessel which was exhausted of air and other fluids, the steam, as an expansible fluid, would immediately rush into the empty vessel, and continue to do so until it had
Σελίδα 804 - the legislature to the subject, about twelve years ago; and a select committee of the House of Commons was appointed in 1819, " to inquire how far it might be practicable to compel persons using steam engines and furnace« in their different works, to erect them in a manner
Σελίδα 305 - transported my great burthen to the Schuylkill with ease; and when it was launched into the water, I fixed a paddle wheel at the stern, and drove it down the Schuylkill to the Delaware, and up the Delaware to the city; leaving all the vessels going up behind me, at least half
Σελίδα 778 - does not describe the engine to which he is to apply his improvements; and as Mr. Watt invented and patented several, and notices them in the following vague terms, it is difficult to comprehend the precise nature of the present invention. Mr. Watt says, " When motions round an axis are required, I make the steam vessels in form
Σελίδα 793 - I cause it to pass through a very hot funnel, flue, or oven, before it comes to the bottom of the boiler, or to the part of the furnace where it is proposed to melt metal or perform any other office, by which means the smoke is still more effectually consumed.
Σελίδα 175 - steam below it, instead of being allowed to escape into the atmosphere, or applied to any other purpose, will pass into the larger cylinder above its piston, which will take its downward stroke at the same time that the piston of the smaller cylinder is doing the same thing; and
Σελίδα 618 - has become absolutely necessary, to conduct the increasing trade of the country with speed, certainty, and economy." It was accordingly determined to establish a company for the formation of a double rail-way from Liverpool to Manchester, and on the 29th of October, 1824, the