The Steam Engine Familiarly Explained and Illustrated: With an Historical Sketch of Its Invention and Progressive Improvement ...E.L. Carey and A. Hart, 1838 - 324 ページ |
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action advantage air-pump apparatus applied ascend atmospheric engine atmospheric pressure axle beam boiler bottom centre chimney cistern coal cock cold water communication condenser condensing apparatus connected connecting rod consequently considerable constructed consumption contrivance crank cubic foot cylinder descends diminished elastic force equal evaporation exhausting valve expansion feet fire flue fly wheel foot fuel furnace grate greater heat horse-power horses immersed inches of mercury inclined plane increased lesser piston lever load locomotive engines machine Manchester mechanical effect mercury method miles an hour motion moving power necessary opened paddle board paddle wheel passengers passes performance piston-rod placed pounds pressed produced propel proportion pump quantity of water railroad railway raised represented in fig resistance safety valve speed square inch steam engine steam valve sufficient sun wheel surface temperature tion tons transport tube turnpike roads vacuum vapour velocity vessel voyage waste Watt weight
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38 ページ - ... which is but at such a distance. But this way hath no bounder, if the vessels be strong enough ; for I have taken a piece of a whole cannon, whereof the end was burst, and filled it...
35 ページ - 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 calleth it, infra spheeram activitatis, which is but at such a distance. But this way hath no bounder, if the vessels be strong enough...
38 ページ - 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 refill with cold water, and so successively, the fire being tended and kept constant, which the...
42 ページ - A small quantity of the wine that remained in the flask began to boil, and steam issued from its mouth ; it occurred to him to try what effect would be produced by inverting the flask and plunging its mouth into cold water.
146 ページ - The engines have been constantly varied in their weight and proportions, in their magnitude and form, as the experience of each successive month has indicated. As defects became manifest they were remedied; improvements suggested were adopted ; and each quarter produced engines of such increased power and efficiency, that their predecessors were abandoned, not because they were worn out, but because they had been outstripped in the rapid march of improvement...
298 ページ - Philosophy already directs her finger at sources of inexhaustible power in the phenomena of electricity and magnetism.
38 ページ - 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 refill with cold water, and so successively, the fire being tended and kept constant, which the selfsame person may likewise abundantly perform in the interim, between the necessity of turning the said cocks.
10 ページ - It has increased the sum of human happiness, not only by calling new pleasure into existence, but by so cheapening former enjoyments as to render them attainable by those who before never could have hoped to share them. Nor are its effects confined to England alone ; they extend over the whole civilized world ; and the savage tribes of America, Asia, and Africa, must ere long feel the benefits, remote or immediate, of this all-powerful agent.
157 ページ - ... shew the cylinders placed within the boiler, one side of which, in the drawing, is supposed to be removed, to expose them to view. They are screwed by flanges to one side of the boiler, and project within it a few inches ; and are open at the top, to the steam or water in the boiler...
41 ページ - I have thought that it would not be difficult to work machines in which, by means of a moderate heat and at a small cost, water might produce that perfect vacuum which has vainly been sought by means of gunpowder.