An Historical and Descriptive Account of the Steam Engine: Comprising a General View of the Various Modes of Employing Elastic Vapour as a Prime Mover in Mechanics; with an Appendix of Patents and Parliamentary Papers Connected with the SubjectJ. Taylor, 1822 - 8 |
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Strona 14
... expansive force of steam , upon the same principle as the Marquis of Wor- cester's engine , and for every thirty - three or four feet beyond that height , a pressure equal to the atmosphere must be exerted on the inside of the boiler ...
... expansive force of steam , upon the same principle as the Marquis of Wor- cester's engine , and for every thirty - three or four feet beyond that height , a pressure equal to the atmosphere must be exerted on the inside of the boiler ...
Strona 31
... expansive force of that steam already introduced . To regulate the time of closing this valve , and as such the precise amount of steam admitted , Mr. Watt employs a plug - frame with moveable pins , which may be placed in such a manner ...
... expansive force of that steam already introduced . To regulate the time of closing this valve , and as such the precise amount of steam admitted , Mr. Watt employs a plug - frame with moveable pins , which may be placed in such a manner ...
Strona 36
... expansive action of the steam in two cylinders , than Mr. Watt's did in one ; and having attempted in vain to procure an extension of the original term of his patent , he was afterwards prosecuted by Messrs . Boulton and Watt for an ...
... expansive action of the steam in two cylinders , than Mr. Watt's did in one ; and having attempted in vain to procure an extension of the original term of his patent , he was afterwards prosecuted by Messrs . Boulton and Watt for an ...
Strona 37
... expansive force of steam to press on the pistons , or whatever may be used instead of them , in the same manner as the pressure of the atmosphere is now employed in common fire - engines . In cases where cold water can- not be had in ...
... expansive force of steam to press on the pistons , or whatever may be used instead of them , in the same manner as the pressure of the atmosphere is now employed in common fire - engines . In cases where cold water can- not be had in ...
Strona 39
... expansive force is consider- able ; and the amount may be seen from the fol- lowing table : Pounds per square inch . ficient to overcome the pres- sure of the atmosphere upon Steam of an elastic force suf- a safety - valve 5 1 6 7 8 9 ...
... expansive force is consider- able ; and the amount may be seen from the fol- lowing table : Pounds per square inch . ficient to overcome the pres- sure of the atmosphere upon Steam of an elastic force suf- a safety - valve 5 1 6 7 8 9 ...
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accident acting action admitted air-pump apparatus applied Architect Architecture atmospheric engine axis beam Boards boats boiling point bottom Boulton and Watt burst called cast iron cast-iron boilers cistern coal cold water communication condensing engines connected considerable constructed consumed Cornwall crank cylinder diameter effect elastic force elastic vapour employed engraved equal erected examined expansive force explosion feet fire fly-wheel Folio force of steam fuel furnace furnished gine Gothic Architecture heat high-pressure engine high-pressure steam Holyhead hundred improved invention John Plaw labour London low-pressure engine machine Marquis of Worcester mercurial gauge Messrs metal mode navigation Octavo packets passing patent pipe piston piston-rod placed Plates ployed pounds pressure engine principle produced pumps purpose quantity Quarto raised rods rotatory motion safety safety-valve Samuel Morland side smoke steam engine steam vessel steam-boats stroke temperature tion tube vacuum valve Vitruvius Vols Watt's weight wheel wrought wrought-iron boiler
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