Cyclopædia of useful arts & manufactures, ed. by C. Tomlinson. 9 divs, 3. kötet1852 |
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1 - 5 találat összesen 59 találatból.
410. oldal
... force of 100 lbs . Hence a steam - engine horse - power is equal in working efficiency to one living horse , and half the labour of another . But a horse cannot work more than 8 hours out of the 24 , while a steam - engine needs no rest ...
... force of 100 lbs . Hence a steam - engine horse - power is equal in working efficiency to one living horse , and half the labour of another . But a horse cannot work more than 8 hours out of the 24 , while a steam - engine needs no rest ...
431. oldal
... force - pump was worked until the pistons underneath the girder carried it off its lower bearings , and pressed it upwards against the shoulders by which it was firmly held , and the pressure was then continued until a strain equal to ...
... force - pump was worked until the pistons underneath the girder carried it off its lower bearings , and pressed it upwards against the shoulders by which it was firmly held , and the pressure was then continued until a strain equal to ...
439. oldal
... force it forwards against the cutters . About thirty lengths of hand - rail , each 24 feet , were thus completed in a day . We come now to notice the construction of one of the most distinctive features of this extraordinary building ...
... force it forwards against the cutters . About thirty lengths of hand - rail , each 24 feet , were thus completed in a day . We come now to notice the construction of one of the most distinctive features of this extraordinary building ...
455. oldal
... Forces , Levers , Cath- etometers , Centripetal and Centrifugal Forces , Elasticity , & c . b . Hydro - Mechanics , as Instru- ments to illustrate the Motion and Impinging Force of Waves , & c . c . Pneumo - Mechanics , as Apparatus ...
... Forces , Levers , Cath- etometers , Centripetal and Centrifugal Forces , Elasticity , & c . b . Hydro - Mechanics , as Instru- ments to illustrate the Motion and Impinging Force of Waves , & c . c . Pneumo - Mechanics , as Apparatus ...
475. oldal
... a delicate piece of jewellery ; the steam - hammer which falls down with a force of hundreds of tons : the pair of scissors weighing a grain ; the ponderous shears by which iron is cut with as much ease THE OPENING . lxxv.
... a delicate piece of jewellery ; the steam - hammer which falls down with a force of hundreds of tons : the pair of scissors weighing a grain ; the ponderous shears by which iron is cut with as much ease THE OPENING . lxxv.
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Gyakori szavak és kifejezések
acid alcohol apparatus arrangement axis battery bell blade boiler boiling boiling point bottom building carbonic acid cast-iron centre colour columns condensed conductor contrivance copper corundum cotton cylinder diameter distilled diving bell drain drill edge effect elasticity electric telegraph electricity electrotype emery employed enamel engine engraving envelope essential oils ether feather feet felspar fermentation fixed force frame girders glass ground heat holes inches iron length light liquid Localities of Exhibition lower machine machinery magnet manufacture means metal motion mould needle nitric acid operation ornamental oxide pantograph passing piece pipe placed plate portion position produced purpose quantity roller roof sash-bars screw side silk silver solution spindle spirit steam steel stone substance sulphuric sulphuric acid surface temperature thick tion transept trusses tube upper vapour vessel Voltaic pile wash weight wheel wine wire yeast zinc
Népszerű szakaszok
474. oldal - ... and hath made of one blood all nations of men for to dwell on all the face of the earth, and hath determined the times before appointed and the bounds of their habitation ; that they should seek the Lord, if haply they might feel after him and find him, though he be not far from every one of us.
473. oldal - Both riches and honour come of thee, and thou reignest over all; and in thine hand is power and might; and in thine hand it is to make great, and to give strength unto all.
415. oldal - ... that no sooner is a discovery or invention made than it is already improved upon and surpassed by competing efforts. The products of all quarters of the globe are placed at our disposal, and we have only to choose which is the best and the cheapest for our purposes, and the powers of production are intrusted to the stimulus of competition and capital.
443. oldal - And the house, when it was in building, was built of stone made ready before it was brought thither : so that there was neither hammer nor axe nor any tool of iron heard in the house, while it was in building.
415. oldal - I confidently hope that the first impression which the view of this vast collection will produce upon the spectator will be that of deep thankfulness to the Almighty for the blessings which he has bestowed upon us already here below...
415. oldal - I conceive it to be the duty of every educated person closely to watch and study the time in which he lives, and, as far as in him lies, to add his humble mite of individual exertion to further the accomplishment of what he believes Providence to have ordained.
415. oldal - Gentlemen, — THE EXHIBITION of 1851 is to give us a true test and a living picture of the point of development at which the whole of mankind has arrived in this great task, and a new starting point from which all nations will be able to direct their further exertions.
512. oldal - For the land, whither thou goest in to possess it, is not as the land of Egypt, from whence ye came out, where thou sowedst thy seed, and wateredst it with thy foot, as a garden of herbs : but the land, whither ye go to possess it, is a land of hills and valleys, and drinketh water of the rain of heaven...
415. oldal - Nobody, however, who has paid any attention to the peculiar features of our present era, will doubt for a moment that we are living at a period of most wonderful transition, which tends rapidly to accomplish that great end to which, indeed, all history points, the realization of the Unity of Mankind!
415. oldal - ... of those very national varieties and antagonistic qualities. The distances which separated the different nations and parts of the globe are gradually vanishing before the achievements of modern invention, and we can traverse them with incredible ease ; the languages of all nations are known, and their acquirements placed within the reach of everybody ; thought is communicated with the rapidity and even by the power of lightning.