A History of EngineeringA. & C. Black, 1925 - 312 頁 |
常見字詞
adopted application became Bessemer Bessemer process Birmingham boiler Boulton and Watt bridge Bridgewater Canal Brindley built cable canal carbon carriage carried cast iron century coal Coalbrookdale colliery commenced Committee Company construction cylinder docks early Eddystone Lighthouse electric employed employers England erected experiments feet fire fuel furnace George Stephenson Glasgow harbour History horses hour important improved inches increased invention inventor labour large number later length light lighthouse Liverpool locomotive London machine Manchester manufacture measure mechanical ment Mersey metal method metric system miles motor Murdock navigation Newcomen engine obtained operation passed passenger patent period piers port practical produced pump purpose rails railway Rennie result river road scheme ship Shop Stewards Siemens Smeaton Soho standard steam engine steel Stephenson stone success telegraph Timothy Hackworth tion tons town trade union tramways transport turbine vessels weight wire wrought iron Wylam yard
熱門章節
第 111 頁 - 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.
第 1 頁 - Engineer ; being the art of directing the great sources of power in Nature for the use and convenience of man...
第 110 頁 - A Century of the Names and Scantlings of such Inventions as at present I can call to mind to have tried and perfected...
第 9 頁 - And they said, Go to, let us build us a city, and a tower whose top may reach unto heaven; and let us make us a name, lest we be scattered abroad upon the face of the whole earth.
第 110 頁 - ... 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...
第 290 頁 - To make and consider suggestions for securing a permanent improvement in the relations between employers and workmen. "(2) To recommend means for securing that industrial conditions affecting the relations between employers and workmen shall be systematically reviewed by those concerned, with a view to improving conditions in the future.
第 156 頁 - ... air from the locomotives would kill birds as they flew over them, and render the preservation of pheasants and foxes no longer possible. Householders adjoining the projected line were told that their houses would be burnt up by the fire thrown from the engine-chimneys ; while the air around would be polluted by clouds of smoke.
第 273 頁 - Our fields are cultivated with a skill unknown elsewhere, with a skill which has extorted rich harvests from moors and morasses. Our houses are filled with conveniences which the kings of former times might have envied.
第 84 頁 - Much more to be condemned is the execrable muddy road from Bury to Sudbury in Suffolk, in which I was forced to move as slow as in any unmended lane in Wales. For ponds of liquid dirt and a scattering of loose flints just sufficient to lame every horse that moves near them, with the addition of cutting vile grips across the road, under pretence of letting water off, but without the effect, altogether render at least twelve of these sixteen miles as infamous a turnpike as ever was travelled.
第 123 頁 - I must get quit of the condensed steam and injection water, if I used a jet as in Newcomen's engine. Two ways of doing this occurred to me. First the water might be run off by a descending pipe, if an offlet could be got at the depth of 35 or 36 feet, and any air might be extracted by a small pump; the second was to make the pump large enough to extract both water and air. ... I had not walked further than the Golf-house when the whole thing was arranged in my mind.