The Manufacture of Iron, in All Its Various Branches: Including a Description of Wood-cutting, Coal Digging, and the Burning of Charcoal and Coke; the Digging and Roasting of Iron Ore, the Building and Management of Blast Furnaces, Working by Charcoal, Coke, Or Anthracite; the Refining of Iron, and the Conversion of the Crude Into Wrought Iron by Charcoal Forges and Puddling Furnaces : Also a Description of Forge Hammers, Rolling Mills, Blast Machines, Hot Blast, Etc. Etc. : to which is Added an Essay on the Manufacture of Steel |
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Page 21
... employed for the same purposes as the oxide . The yellow or brown varieties . contain a large admixture of water in chemical combination , and hence they are called hydrates . Hydrated oxide of iron consists , in 100 parts , of 59.15 ...
... employed for the same purposes as the oxide . The yellow or brown varieties . contain a large admixture of water in chemical combination , and hence they are called hydrates . Hydrated oxide of iron consists , in 100 parts , of 59.15 ...
Page 23
... employed in the United States in the manufacture of iron , but , where such can be found they deserve to be employed . In Scotland , the whole iron business depends mainly upon this kind of ore ; there it is called Blackband , and was ...
... employed in the United States in the manufacture of iron , but , where such can be found they deserve to be employed . In Scotland , the whole iron business depends mainly upon this kind of ore ; there it is called Blackband , and was ...
Page 56
... employed ; even limestone rock is no security against accidents from self - dis- charges . The tamping - bar , Fig . 13 , is a bar of round iron , with a groove to fit the needle . A few remarks in relation to blasting may be as ...
... employed ; even limestone rock is no security against accidents from self - dis- charges . The tamping - bar , Fig . 13 , is a bar of round iron , with a groove to fit the needle . A few remarks in relation to blasting may be as ...
Page 58
... employed in boring Artesian wells ; and we shall give a short description of this interesting mode of penetrating the crust of the earth . A brief description of the method of boring salt wells on the Ohio River , and its branches ...
... employed in boring Artesian wells ; and we shall give a short description of this interesting mode of penetrating the crust of the earth . A brief description of the method of boring salt wells on the Ohio River , and its branches ...
Page 59
... employed in Europe , is very expensive , slow , and uncertain . Another method , tried in Germany , of boring by means of flat iron , strong hoop iron , is very ingenious , and possi- bly might rival the American or improved Chinese ...
... employed in Europe , is very expensive , slow , and uncertain . Another method , tried in Germany , of boring by means of flat iron , strong hoop iron , is very ingenious , and possi- bly might rival the American or improved Chinese ...
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Common terms and phrases
advantage alkali amount applied ashes bar iron bituminous coal blast furnace boshes bottom brown coal bushels calcareous carbonic acid cast iron cent charcoal charcoal forge charcoal furnaces charges charring chemical cinder clay coarse coke furnaces coke ovens cold cold-short color combine composition contains crucible deposits diameter dissolved dust employed expensive feet fire brick flux foreign matter fuel fusible gray iron hearth heat hole hot blast hydrates hydrogen inches kiln kind less lime limestone magnesia magnetic manganese manufacture of iron melt method mineral mixed mixture nace operations oxide of iron oxygen phosphorus pig iron pig metal pile Pittsburg plate potash pounds present produce puddling furnace quantity refractory roasted rocks rollers shaft sheet iron silex silicious smelted square stack stone coal strong sufficiently sulphurets sulphuric acid temperature thick timber tion turf tuyere vein white iron wood workmen yield
Popular passages
Page 12 - THE MISCELLANEOUS WORKS OF WILLIAM HAZLITT. Including Table-talk ; Opinions of Books, Men, and Things ; Lectures on Dramatic Literature of the Age of Elizabeth ; Lectures on the English Comic Writers ; The Spirit of the Age, or Contemporary Portraits. Five Volumes, 12mo., cloth $5.00 Half calf .. $6.25 FLORAL OFFERING.
Page 381 - Of three specimens from an inch and a quarter to an inch and a half in length...
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Page 19 - Iron-ore is infusible before the blowpipe, but melts with borax, and forms a green or yellow glass, like pure oxide of iron. It is likewise soluble in heated muriatic acid. 3. It occurs most commonly in beds and veins in ancient rocks. Clay iron-ore forms either by itself beds in secondary mountains, or it is included in beds of clay in the shape of nodules or irregular masses.
Page 56 - Fig. 12, which is a bar of iron or steel, edged at one end, and headed at the other — both well hardened and tempered ; the scraper, a small iron rod, with a square hook on one end, to take the boremeal out of the hole ; and a copper needle, which is a simple wire, one-fourth of an inch thick, somewhat tapered at one end. Many miners are in the habit of using iron needles, but these are very dangerous, and should not be employed ; even limestone rock is no security against accidents from self-discharges.
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Page 142 - ... as the Germans call it, is lifted loose from the bottom by crowbars, taken by a pair of strong tongs, which are fastened on chains, suspended on a swing crane; and then removed to an anvil, where it is flattened by a tilt hammer into four inch thick slabs, cut into blooms, and finally stretched into bar iron by smaller hammers.
Page 175 - As there is but little prospect for an addition to the number of coke furnaces which now exist we shall devote but a limited space to this subject.