A Course of Lectures on Natural Philosophy and the Mechanical Arts, Հատոր 1Taylor and Walton, 1845 |
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Այլ խմբագրություններ - View all
A Course of Lectures on Natural Philosophy and the Mechanical ..., Հատոր 1,Մաս 1 Thomas Young Ամբողջությամբ դիտվող - 1807 |
A Course of Lectures on Natural Philosophy and the Mechanical Arts, Հատոր 1 Thomas Young Ամբողջությամբ դիտվող - 1807 |
A Course of Lectures on Natural Philosophy and the Mechanical Arts ..., Հատոր 1 Thomas Young Ամբողջությամբ դիտվող - 1807 |
Common terms and phrases
angle appears Archimedes atmosphere axis body calculation Camb cause centre of gravity centrifugal force colours considerable considered convex lens crown glass cylinder Daniel Bernoulli degree density determined diameter direction distance earth ecliptic effect elastic electricity employed equal equilibrium et Mém Euler experiments feet fluid force friction glass greater heat Hist horizontal hydraulic ibid impulse inches inclined plane increased instrument Jour kind LECT length lens less light Lond machine magnet magnitude manner means measure mechanical Mechanical Philosophy Mém mercury motion natural philosophy nature nearly object oblique observed optics orifice Paris particles pendulum phenomena pipe plane Plate portion pressure principal produced proportion quantity rays reflection refraction resistance respect retina revolve similar solid sometimes sound specific gravity stars steam substance sufficient sulfuret supposed surface temperature theory tion tourmaline Traité tube usually velocity vessel vibrations vols weight wheel whole
Սիրված հատվածներ
Էջ 277 - ... so that they are strengthened by the force within them, and the one to fill after the other, I have seen the water run, like a constant fountain-stream, forty feet high.
Էջ 281 - In engines that are to be worked wholly or partially by condensation of steam, the steam is to be condensed in vessels distinct from the...
Էջ 277 - I have seen the water run like a constant fountain stream forty foot 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 re-fill with cold water, and so successively, the fire being tended and kept constant, which the self-same person may likewise abundantly perform in the interim, between the necessity of turning the said cocks.
Էջ 196 - ... imaginary, in contact with it, is equal to the weight of a column of the fluid, whose base is equal to that particle, and whose height is equal to its depth below the upper surface of the fluid.
Էջ 468 - And to shew that I do not take Gravity for an essential Property of Bodies, I have added one Question concerning its Cause, chusing to propose it by way of a Question, because I am not yet satisfied about it for want of Experiments.
Էջ 280 - ... in common fire-engines, and which I call the steam-vessel, must, during the whole time the engine is at work, be kept as hot as the steam that enters it — first, by enclosing it in a case of wood or any other materials that transmit heat slowly ; secondly, by surrounding it with steam or other heated bodies...
Էջ 277 - Intra sphceram activitatis, 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...
Էջ 464 - Besides this porosity, there is still room for the supposition, that even the ultimate particles of matter may be permeable to the causes of attractions of various kinds, especially if those causes are immaterial : nor is there anything in the unprejudiced study of physical philosophy that can induce us to...
Էջ 281 - Fourthly. I intend in many cases to employ the 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.
Էջ 281 - ... are placed weights, so fitted to them as entirely to fill up a part or portion of their channels, yet rendered capable of moving freely in them by the means hereinafter mentioned or specified. When the steam is admitted in these engines between these weights and the valves, it acts equally...