A Dictionary of Arts, Manufactures, and Mines: Containing a Clear Exposition of Their Principles and Practice, Volume 2Little Brown & Company, 1853 - Industrial arts |
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acetate alcohol alum alumina ammonia antimony apparatus beds boiling bottom called carbonic acid cent charcoal chloride clay coal cobalt colour consists contains copper crystals cylinder deposits dilute dissolved distillation dried employed 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 oxygen paper passed pieces placed plate portion potash pounds precipitate produce proportion prussian blue pyrites quantity retort reverberatory furnace rocks rollers salt shaft side silica 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 466 - 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...
Page 354 - 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 452 - ... made of leather. A thick firm oil ¡s required to keep the different parts of the design from flowing into a mass or becoming confused while under the pressure of the rubber, in the process of transferring. A sheet of paper of the necessary size and of a peculiarly thin texture, called "pottery tissue...
Page 451 - ... then carefully removed, and the whole worked upon to restore the cast to the same degree of finish as the original model. The work is then thoroughly dried to be in a fit state for firing...
Page 557 - Sometimes the yarn* are made to wind off one reel, and, having passed through a vessel of hot tar, are wound upon another, the superfluous tar being removed by causing the yarn to pass through a hole surrounded with spongy oakum ; but the ordinary method is to tar it in skeins or hanks, which are drawn by a capstan with a uniform motion through the tar-kettle.
Page 108 - It was driven by water; but it was not till 1790, or some time after, when the steam-engine of Watt came into use, that the cotton trade advanced at such an accelerated speed, as to render its increase and present magnitude almost beyond conception. This immense extension is not only a subject of deep interest to the philosopher and statesman, but one which is likely to furnish a large field of observation for the future historian of his country.
Page 250 - ... that cut nails will hold better in the wood. These qualities are, in some rough building works, worth twenty per cent, of the value of the article, which is equal to the whole expense of manufacturing. For sheathing and drawing, cut nails are full as good as wrought nails ; only in one respect are the best wrought nails a little superior to cut nails, and that is where It is necessary they should be clenched.
Page 431 - ... sphagnum, began to luxuriate. This, absorbing a large quantity of water, and continuing to shoot out new plants above, while the old were decaying, rotting, and compressing into a solid substance below, gradually replaced the water by a mass of vegetable matter. In this manner the marsh might be filled up, while the central or moister portion, continuing to excite a more rapid growth of the moss, it would be...
Page 109 - 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 20 - ... application of a small brush. We have frequently used the lamps where the explosive mixture was so high as to heat the wire-gauze red hot; but on examining a lamp which has been in constant use for three months, and occasionally subjected to this degree of heat, I cannot perceive that the gauze cylinder of iron wire is at all impaired. I have not, however, thought it prudent, in our present state of experience, to persist in using the...