The Ridpath library of universal literature : a biographical and bibliographical summary of the world's most eminent authors, including the choicest extracts and masterpieces from their writings ... . pressure of steamto drive the piston in its descent, instead of the atmos-phere, as its intensity, or force, would be much moremanageable; for by increasing or diminishing the heatof the steam in which the cylinder was enclosed, itspressure might be regulated at pleasure, and might bemade to urge the piston with any force that might berequired. The power of the engine would therefore becompletely
The Ridpath library of universal literature : a biographical and bibliographical summary of the world's most eminent authors, including the choicest extracts and masterpieces from their writings ... . pressure of steamto drive the piston in its descent, instead of the atmos-phere, as its intensity, or force, would be much moremanageable; for by increasing or diminishing the heatof the steam in which the cylinder was enclosed, itspressure might be regulated at pleasure, and might bemade to urge the piston with any force that might berequired. The power of the engine would therefore becompletely under control, and independent of all varia-tions in the pressure of the atmosphere. This was a step which totally changed the characterof the machine, and which rendered it a Steam Engineinstead of an Atmospheric Engine. Not only was thevacuum below the piston now produced by the propertyof steam in virtue of which it is re-converted into waterby cold, but the pressure which urged the piston intothis vacuum was due to the elasticity of steam. The ex-ternal cylinder within which the working cylinder wasenclosed was called the Jacket, and is still in generaluse—-Lectures on the Steam LARDNER, Nathaniel, a noted English di-vine, a dissenter from the Established Church,born at Hawkhurst, Kent, June 6, 1684; died there,July 24,1768. He studied at Utrecht and Leyden,and from 1713 to 1729 was chaplain in the familyof Lady Treby. In 1723 he began his ministry bypreaching to the Presbyterian congregation of OldJewry, London. In 1727 he published the firstpart of his Credibility of the Gospel History. In 1729he became assistant minister to the Presbyteriancongregation at Crutched Friars. A Letter Con-cerning the Question Whether the Logos (Word) Sup-plied the Place of the Human Soul in the Person ofJesus Christ is the title of a pamphlet written in1730 and published in 1759, in which Lardner in-clines toward the Socinian doctrine. Lardners literary life was devoted to a vind
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Keywords: ., bookautho, bookcentury1800, bookdecade1890, booksubjectliterature
