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 20
... amount of iron a given specimen contains . The only way to ascertain the quantity of iron is by chemical analysis , and the humid is the only test we can depend upon . But this variety of ore yields always good and strong iron , and is ...
... amount of iron a given specimen contains . The only way to ascertain the quantity of iron is by chemical analysis , and the humid is the only test we can depend upon . But this variety of ore yields always good and strong iron , and is ...
Page 44
... amount of ore to be roasted , and the time in which it is proposed to be done . It may be laid down as a rule , that the longer the fire remains in a pile , or the slower the roasting is carried on , the better will be the result . If ...
... amount of ore to be roasted , and the time in which it is proposed to be done . It may be laid down as a rule , that the longer the fire remains in a pile , or the slower the roasting is carried on , the better will be the result . If ...
Page 52
... amount of ore sufficient to yield a ton of iron , be but six dollars , the business may be attempted , and may , with industry and care , be successful . However profitable local advantages and good times may make the iron business , to ...
... amount of ore sufficient to yield a ton of iron , be but six dollars , the business may be attempted , and may , with industry and care , be successful . However profitable local advantages and good times may make the iron business , to ...
Page 71
... amount of clay . Silex is yet mixed with the lime . If , after the above experiments , we suspect that the main body of foreign matter is silex , it is best to pour over the pounded lime- stone nitric acid , which dissolves everything ...
... amount of clay . Silex is yet mixed with the lime . If , after the above experiments , we suspect that the main body of foreign matter is silex , it is best to pour over the pounded lime- stone nitric acid , which dissolves everything ...
Page 72
... amount of alkali . This alkali may be considered beneficial as an electro- positive agent of fluxing , and facilitates the reviving of metal , as well as the fluidity of the slag , where the mixture of ores and arti- ficial fluxes is ...
... amount of alkali . This alkali may be considered beneficial as an electro- positive agent of fluxing , and facilitates the reviving of metal , as well as the fluidity of the slag , where the mixture of ores and arti- ficial fluxes is ...
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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...
Page 10 - Edited with a Memoir, by HENRY REED, Professor of English Literature in the University of Pennsylvania. In One Volume, 8vo. Bound in cloth extra, gilt edges $3.50 Turkey morocco super extra $5.50 Iii One Volume, 12mo, without plates, cloth $1.25 Do.
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.
Page 10 - Volume, royal 8vo. (In press.) THE POETS AND POETRY OF THE ANCIENTS: By WILLIAM PETER, AM Comprising Translations and Specimens of the Poets of Greece and Rome, with an elegant engraved View of the Coliseum at Rome. Bound in cloth $3 Cloth extra, gilt edges $3.50 Turkey morocco super extra ..» $5 It is without fear that we say that no such excellent or complete collection has ever been made.
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Page 5 - Fruit, Flower, and Kitchen Garden. By PATRICK NEILL, LL.D., FRSE, Secretary to the Royal Caledonian Horticultural Society. Adapted to the United States, from the fourth edition, revised and improved by the Author. Illustrated by fifty Wood Engravings of Hothouses, &c. &c. In one volume, 12mo $1.25 " This volume supplies a desideratum much felt, and gives within a moderate compass all the horticultural information necessary for practical use.
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.