The Steam Engine Familiarly Explained and Illustrated: With an Historical Sketch of Its Invention and Progesssive Improvement; Its Application to Navigation and Railways; with Plain Maxims for Railway SpeculatorsTaylor and Walton, 1836 - 391 ページ |
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advantage air-pump apparatus applied ascend atmospheric engine atmospheric pressure axle beam boiler boiling bottom centre chimney cistern coal cock cold water communication condenser connected consequently considerable constructed contrivance crank cubic foot cubic inch cylinder descend diminished elastic force equal evaporation exhausting valve expansion feet filled fire flue foot fuel furnace grate greater heat horse-power horses inches of mercury inclined plane increased invention lesser piston lever liquid Liverpool load locomotive engines machine Manchester mechanical effect mercury method miles an hour motion moving power necessary opened paddle board paddle wheel passengers passes performance pipe piston-rod placed pounds practical pressed principle produced propelling proportion pump quantity of water railroad railway raised resistance speed square inch steam engine steam valve sufficient sun wheel supply of steam suppose surface temperature thermometer tion tons transport tube turnpike roads vacuum vapour velocity vessel Watt weight
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42 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...
41 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...
42 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...
154 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...
306 ページ - Philosophy already directs her finger at sources of inexhaustible power in the phenomena of electricity and magnetism.
42 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.
82 ページ - Watt; his new colleague was a man of affluence and of great personal influence, "and to a most generous and ardent mind, he added an uncommon spirit for undertaking what was great and difficult. Mr. Watt was studious and reserved, keeping aloof from the world; while Mr. Bolton was a man of address, delighting in society, active, and mixing with people of all ranks with great freedom, and without ceremony.
8 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.
45 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.
306 ページ - ... and condensation not to occur at once to every mind; the development of the gases from solid matter, by the operation of the chemical affinities, and their subsequent condensation into the liquid form, has already been essayed as a source of power. In a word, the general state of physical science at the present moment; the vigour, activity...