A Dictionary of Arts, Manufactures, and Mines: Containing a Clear Exposition of Their Principles and Practice, Volume 2D. Appleton & Company, 1854 - Industrial arts |
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acetate alcohol alum alumina ammonia antimony apparatus beds boiling bottom calcined called carbonic acid cent charcoal chloride clay coal cobalt color consists contains copper crystals cylinder deposites dilute dissolved distillation dried employed evaporated extracted feet fire furnace galena gallery grains ground heat horizontal hydrogen inches iron kiln lead lime limestone liquid liquor litharge machine manganese manufacture mass matter mercury metal mineral mines mixed mixture muriatic acid nitric acid obtained operation ounces oxalic oxalic acid oxide oxyde oxygen paper passed pieces placed plate portion potash pounds precipitate produce proportion Prussian blue pyrites quantity reverberatory furnace rocks rollers salt shaft side silver skins soda soluble solution specific gravity stone strata substance sugar sulphate sulphuret sulphuric acid surface temperature thick tons tube veins vertical vessel washed wheel wire wood workmen yards yellow
Popular passages
Page 362 - 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.
Page 107 - 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...
Page 474 - 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.
Page 361 - to promote the circulation of religious books and treatises in foreign countries, as well as throughout the British dominions.
Page 499 - 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...
Page 19 - ... will continue where flame is extinguished, yet it is always with suffering. By fixing a coil of platinum wire above the wick, ignition...
Page 462 - ... 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.
Page 394 - 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.
Page 82 - 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...
Page 106 - 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.