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action admitted allowed apparatus appears applied arms arrangement Arts atmosphere attached axis boiler bottom called cock cold water communication condenser connected considered construction containing continues contrivance cylinder described direction effect elasticity employed engraving entered equal erected expense experiment fall feet Figure fire fixed flow force formed fuel Furnace give greater half heat idea importance improvements inches ingenious introduced invention John lever London machine manner means mechanism mines mode motion moving necessary operation Papin pass patent period pipe piston placed position pounds practice pressed pressure prevent principle produced proposed PUBLIC published pump quantity raised receiver rise rotatory Savery Savery's Saving says scheme shewn shut side similar Steam Engine supply surface tion turned vacuum valve vapour vessel Watt Watt's weight wheel YORK
Page 88 - ... 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.
Page 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.
Page 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...
Page 73 - 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.
Page 97 - 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.
Page 164 - 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.
Page 85 - 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...
Page 164 - 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.
Page 164 - 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.