On the Nature, Properties, and Applications of Steam, and on Steam Navigation: From the 7th Ed. of the Encyclopædia BritannicaA. and C. Black, 1841 - 378페이지 |
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30 inches air-pump America apparatus applied atmosphere axis axle barometer beam boiler bottom Britain caloric carriage cistern Clyde coal common condenser connecting rod constructed crank cylinder Dalswinton David Napier diameter Dr Dalton ebullition elastic force Elastici engine equal evaporation experiments feet fire fluid force of steam formula fuel Fulton furnace gallons gauge gine give given Glasgow Greenock horse power inches of mercury invention iron latent heat lever liquid Liverpool locomotive means mechanical ment Messrs method miles an hour Miller motion Napier nearly necessary observed obtained paddle wheel patent perature pipe piston placed plate pressure produced propelling proportion of power pump purpose quantity rendered river Clyde Robert Stephenson Robison round scale side rods speed steam boat steam navigation steam ships steam vessel steam-engine Stephenson stroke surface Symington temperature thermometer tion tons ture vacuum valve vapour velocity Watt weight
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31 페이지 - ... hours it burst and made a great crack : so that having a way to make my vessels, so that they are strengthened by the force within them, and the one to fill after the other.
227 페이지 - 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.
209 페이지 - M'Neven, to whom we are indebted for some account of what passed on this occasion. Nothing could exceed the surprise and admiration of all who witnessed the experiment. The minds of the most incredulous were changed in a few minutes. Before the boat had made the progress of a quarter of a mile, the greatest unbeliever must have been converted. The man who, while he looked on the expensive machine. thanked his stars that he had more wisdom than to waste his money on such idle schemes, changed the...
330 페이지 - It is far from my wish to promulgate to the world that the ridiculous expectations, or rather professions, of the enthusiastic speculist will be realized, and that we shall see them travelling at the rate of 12, 16, 18, or 20 miles an hour, nothing could do more harm towards their adoption, or general improvement, than the promulgation of such nonsense.
326 페이지 - ... 18 feet in a mile, retards the speed of one of these engines in a very great degree ; so much so, indeed, that it has been considered necessary, in some parts where they are used, to aid their ascent with their load by fixed engines, which drag them forward by means of ropes coiling round a drum. The steam cylinders below the boiler were found very defective, for, in the ascending stroke of the working piston, they were forced inwards by the...
228 페이지 - ... a large pipe into a cylindrical vessel, and there condensed, makes a vacuum, which causes the weight of the atmosphere to press on this vessel, and so presses down a piston that is fitted into this cylindrical vessel in the same manner as in Mr. Newcomen's engine, 2 with which he raises water by fire.
325 페이지 - Colliery, on the Wear, so that their advantages and defects have been sufficiently submitted to the test of experiment; and it appears that, notwithstanding the great exertions on the part of the inventor, Mr. Stephenson, to bring them into use on the different rail-roads, now either constructing or in agitation, it has been the opinion of several able engineers, that they do not possess those advantages which the inventor had anticipated ; indeed, there cannot be a better proof of the doubt entertained...
323 페이지 - Flat plates or leaves," revolving in a case, were the means adopted by him for this purpose ; and in the same patent, he proposed to " place in the flue a screw or set of vanes, somewhat similar to a smoke-jack...
209 페이지 - The jeers of the ignorant, who had neither sense nor feeling enough to suppress their contemptuous ridicule and rude jokes, were silenced for a moment by a vulgar astonishment, which deprived them of the power of utterance, till the triumph of genius extorted from the incredulous multitude which crowded the shores, shouts and acclamations of congratulation and applause.
327 페이지 - Upon the consideration of the question in every point of view, taking the two lines of road as now forming, and having reference to economy, despatch, safety, and convenience, our opinion is, that if it be resolved to make the Liverpool and Manchester Railway complete at once, so as to accommodate the traffic stated in your instructions, or a quantity approaching to it, the stationary reciprocating system is the best...