Principles of the Manufacture of Iron and Steel: With Some Notes on the Economic Conditions of Their ProductionG. Routledge, 1884 - 744 pages |
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Page 23
... nearly 1,000 ° F. instead of 700 ° or 800 ° . The late Mr. John Vaughan , in the year 1864 , erected a furnace of 75 feet , which was done chiefly , if not entirely , in the hope of increasing the weekly make ; for this gentleman had ...
... nearly 1,000 ° F. instead of 700 ° or 800 ° . The late Mr. John Vaughan , in the year 1864 , erected a furnace of 75 feet , which was done chiefly , if not entirely , in the hope of increasing the weekly make ; for this gentleman had ...
Page 26
... nearly 40 tons , to be converted into armour plates for ships of war ! In the early days of public railway construction , the only experience possessed by engineers to determine the strength required for their materials , was that ...
... nearly 40 tons , to be converted into armour plates for ships of war ! In the early days of public railway construction , the only experience possessed by engineers to determine the strength required for their materials , was that ...
Page 42
... iron containing nearly all the phosphorus found in the minerals employed , while in the other we have malleable iron containing less than 1 per cent . of phosphorus . This same pig , however 42 SECTION III . - DIRECT PROCESSES .
... iron containing nearly all the phosphorus found in the minerals employed , while in the other we have malleable iron containing less than 1 per cent . of phosphorus . This same pig , however 42 SECTION III . - DIRECT PROCESSES .
Page 43
... nearly 20 per cent . , or above double that involved in puddling pig metal . The particulars of cost of these rough slabs are given as follows : - ... 35 cwts . of ore at 15s . 13 bushels , say 465 cwts . , charcoal Labour General ...
... nearly 20 per cent . , or above double that involved in puddling pig metal . The particulars of cost of these rough slabs are given as follows : - ... 35 cwts . of ore at 15s . 13 bushels , say 465 cwts . , charcoal Labour General ...
Page 49
... nearly 15 per cent . , of the desired product is lost . In addition to this source of waste , imperceptible perhaps to the casual observer , there is another which forces itself upon the attention of D the most indifferent spectator . I ...
... nearly 15 per cent . , of the desired product is lost . In addition to this source of waste , imperceptible perhaps to the casual observer , there is another which forces itself upon the attention of D the most indifferent spectator . I ...
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Common terms and phrases
20 units actual amount anthracite average Belgium Bessemer blast furnace Britain burnt calcined calories carbon as carbonic carbonic acid cent charcoal charge cinder Clarence Cleveland CO₂ coke collieries combustion compared composition considerable consumed consumption contained converter cost cubic feet cwts district Durham earnings employed England escaping gases estimated experience favour figures fixed carbon forge fuel Germany given hearth heat evolved hematite hot blast hydrogen increase Iron and Steel iron trade ironstone labour less lime limestone loss malleable iron manganese manufacture materials matter metallic iron metalloids Middlesbrough mineral mines nitrogen obtained oxide of iron oxygen paid phosphorus pig iron present produced puddling furnace quantity of carbon railway rates raw coal reduced referred silica silicon slag smelting steel rails Sulphur temperature tons Total tuyeres unit of carbon unit of coke United Kingdom units of iron wages weight
Popular passages
Page 39 - A personal and apparently immaterial event produced a revolution of public feeling, for which it would be difficult to find a parallel in the history of English politics.
Page 381 - It is only within the last quarter of a century, that we have...
Page 585 - Britain ;" elsewhere asserting that it would " prove a match for any part of the world in the production of cheap iron.
Page 300 - Birkinbine, editor of the Journal of the United States Association of Charcoal Iron Workers.
Page 489 - So far as my own observation goes, I should say that the...
Page 478 - ... were sugar, salt, coals, candles, soap, shoes, stockings, and generally all articles of clothing and all articles of bedding. It may be added, that the old coats and blankets would have been, not only more costly, but less serviceable than the modern fabrics.
Page 315 - Fuller's earth to the extent of 5 per cent of the weight of the tallow is added and the whole mass agitated about thirty minutes.
Page 478 - Second, was fifty shillings. Bread therefore, such as is now given to the inmates of a workhouse, was then seldom seen, even on the trencher of a yeoman or of a shopkeeper. The great majority of the nation lived almost entirely on rye, barley, and oats.
Page 390 - The nature of the gases evolved during the blowing of a charge of Bessemer steel has recently been investigated by Mr. GJ Snelus, who has given the following tabular statement of the composition of the gas at different periods of a blow lasting eighteen minutes. I.
Page i - Principles of the manufacture of iron and steel, with some notes on the economic condition of their production.