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admitted apparatus applied Arthur Woolfe ASTOR Atmospheric Engine attached axis beam boiler bottom cistern cock cold water communication condense the steam condensing Engine construction contrivance Desaguliers diameter elasticity Elector of Hesse employed engraving equal erected expense experiment feet Figure filled fire formed Furnace gine heat honour Hornblower improvements inches ingenious injection invention inventor Jacob Perkins James Watt John Jonathan Hornblower LENOx lever lever-beam Lexicon Technicum London machine Marquis Marquis of Worcester mechanism mode moving Newcomen º º º operation Papin patent pipe piston piston-rod placed plug-frame pounds pounds weight pressed pressure principle produced pump quantity raising water receiver reservoir Richard Trevithick Robison Rotative engine Rotatory Engine Savery Savery's Engine Saving fuel scheme shewn side Steam Boat Steam Engine steam piston Steam wheel steam-tight stroke tappets tion Trevithick vacuum valve vapour vessel Watt Watt's weight YORK PUBLIC LIBRARY
Seite 104 - ... it in a case of wood, or any other materials that transmit heat slowly ; secondly, by surrounding it with s.team or other heated bodies ; and, thirdly, by suffering neither water, nor any other substance colder than the steam, to enter or touch it during that time.
Seite 15 - I have seen the water run like a constant fountain stream forty feet high ; one vessel of water rarefied by fire driveth up forty of cold water. And a man that tends the work is but to turn two cocks, that one vessel of water being consumed, another begins to force and re-fill with cold water, and so successively, the fire being tended and kept constant, which the self-same person may likewise abundantly perform in the interim between the necessity of turning the said cocks.
Seite 12 - I have taken a piece of a whole cannon, whereof the end was burst, and filled it three-quarters full of water, stopping and screwing up the broken end, as also the touch-hole, and making a constant fire under it; within twentyfour hours it burst, and made a great crack...
Seite 80 - A Description and Draught of a new-invented Machine, for carrying Vessels or Ships out of, or into, any Harbour, Port, or River, against Wind and Tide, or in a calm.
Seite 115 - As a memorial due to that friendship, I avail myself of this, probably a last public opportunity, of stating, that to his friendly encouragement, to his partiality for scientific improvements, and his ready application of them to the processes of art : to his intimate knowledge of business and manufactures, and to his extended views and liberal spirit of enterprise, must in a great measure be ascribed whatever success may have attended my exertions.
Seite 182 - By his admirable contrivance, it has become a thing stupendous alike for its force and its flexibility, for the prodigious power which it can exert, and the ease, and precision, and ductility, with which it can be varied, distributed, and applied. The trunk of an elephant, that can pick up a pin or rend an oak, is as nothing to it.
Seite 89 - Papin's digester, and formed a species of steam-engine by fixing upon it a syringe, one-third of an inch diameter, with a solid piston, and furnished also with a cock to admit the steam from the digester, or shut it off at pleasure, as well as to open a communication from the inside of the syringe to the open air, by which the steam contained in the syringe might escape. When the communication between the digester and syringe was opened, the steam entered the syringe, and by its action upon the piston...
Seite 184 - In his temper and dispositions he was not only kind and affectionate, but generous and considerate of the feelings of all around him ; and gave the most liberal assistance and encouragement to all young persons who showed any indications of talent, or applied to him for patronage or advice.
Seite 183 - This will be the fame of Watt with future generations; and it is sufficient for his race and his country. But to those to whom he more immediately belonged, who lived in his society and enjoyed his conversation, it is not, perhaps, the character in which he will be most frequently recalled, — most deeply lamented, — or even most highly admired.