A Dictionary of Arts, Manufactures, and Mines: Containing a Clear Exposition of Their Principles and Practice, 第 2 卷D. Appleton & Company, 1854 |
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according acid added alcohol appears applied becomes beds boiling bottom called carbonate carried cause cent clay coal color common considerable consists contains copper covered crystals cylinder deposites direction dissolved distillation effect employed extracted feet fire fixed furnace give given grains ground half hand heat important inches iron kind lead less lime machine manufacture mass matter means metal method mineral mines mixed mixture nearly obtained occurs operation oxide oxygen passed pieces placed plate portion potash pounds prepared present printing produce proportion pure quantity receive remains removed rocks rollers salt separated shaft side silver skins solution sometimes stone strata substance sulphuric surface thick tons turned usually veins vessel washed weight whole wood yards
热门引用章节
第362页 - As I WALKED through the wilderness of this world, I lighted on a certain place where was a Den, and I laid me down in that place to sleep: and as I slept I dreamed a dream.
第107页 - the crops on a field diminish or increase in exact proportion to the diminution or increase of the mineral substances conveyed to it in manure...
第474页 - He proved, for example, that when a metal disk is caused to rotate so as to be tangent to the lines of force, no current appears ; while when the disk, in its rotation, cuts the lines of force, currents flow along the disk, from the centre to the circumference, and from the circumference to the centre. Closed circuits are thus established in the disk. 298. This, in fact, is the " Magnetism of Rotation," discovered by Arago in 1820, which received complete explanation at the hands of . Faraday.
第361页 - to promote the circulation of religious books and treatises in foreign countries, as well as throughout the British dominions.
第499页 - Messrs Donkin and Bacon placed their types on the four sides of a revolving prism, while the ink was applied by a roller which rose and fell with the irregularities of the prism, and the sheet was wrapped on another prism so formed as to meet the surfaces of the first. A common printing press, gives about 250 impressions per hour, whereas of the Times...
第19页 - ... will continue where flame is extinguished, yet it is always with suffering. By fixing a coil of platinum wire above the wick, ignition...
第462页 - ... as previously described, ensues. It is then dried in an oven, to harden the oil and colour, and immersed in water, which penetrates to the stencil, and, softening the sugar, is then easily washed off, carrying with it any portion of colour or oil that may be upon it, and leaving the ware perfectly clean. It is sometimes necessary, where great depth of colour is required, to repeat these colours several times.
第394页 - A slider pushes pincers forwards, which draw wire from a reel, at every rotation of the shaft, and advance such a length of wire as will produce one pin. A die cuts off the said length of wire by the descent of its upper chap; the chap then opens a carrier, which takes the pin to the pointing apparatus.
第82页 - The mechanical operations of the present day could not have been accomplished at any cost thirty years ago, and what was considered impossible at that time, is now performed with a degree of intelligence and exactitude that never fail to accomplish the end in view...
第106页 - Along with these changes we see a new generation springing into existence, factories, steam-engines, and tall chimneys rising in every direction, and the noise and smoke which meet the eye and the ear of the stranger at every step give evidence of the activity and prosperity of the industrious hive, which at some future time in English history will announce to succeeding generations the inventions and the discoveries of the nineteenth century.
书目信息
| 名称 | A Dictionary of Arts, Manufactures, and Mines: Containing a Clear Exposition of Their Principles and Practice, 第 2 卷 A Dictionary of Arts, Manufactures, and Mines: Containing a Clear Exposition of Their Principles and Practice, Andrew Ure |
| 作者 | Andrew Ure |
| 出版商 | D. Appleton & Company, 1854 |
| 出处： | 威斯康星大学麦迪逊分校 |
| 数字化处理时间 | 2007年4月10日 |
| 导出参考文献 | BiBTeX EndNote RefMan |