Principles of the Manufacture of Iron and Steel: With Some Notes on the Economic Conditions of Their ProductionG. Routledge, 1884 - 744 من الصفحات |
من داخل الكتاب
النتائج 1-5 من 88
الصفحة 6
... consumed . To - day less than one - half of this quantity suffices for the work , and one - fourth of it is enough to produce a rail of steel . Thus , instead of having to multiply any difference in the cost of fuel by twelve , which ...
... consumed . To - day less than one - half of this quantity suffices for the work , and one - fourth of it is enough to produce a rail of steel . Thus , instead of having to multiply any difference in the cost of fuel by twelve , which ...
الصفحة 12
... consumed . On other occasions the same furnace was employed , like the Stückofen , for the production of malleable iron or of steel . Iron - foundries are , it is true , spoken of by early writers as existing above 300 years ago . From ...
... consumed . On other occasions the same furnace was employed , like the Stückofen , for the production of malleable iron or of steel . Iron - foundries are , it is true , spoken of by early writers as existing above 300 years ago . From ...
الصفحة 23
... consumed appeared to attend this change in form , but not more than that which had been already ob- tained in the 48 feet furnaces at Port Clarence , by the use of air heated to nearly 1,000 ° F. instead of 700 ° or 800 ° . The late Mr ...
... consumed appeared to attend this change in form , but not more than that which had been already ob- tained in the 48 feet furnaces at Port Clarence , by the use of air heated to nearly 1,000 ° F. instead of 700 ° or 800 ° . The late Mr ...
الصفحة 31
... consumed in the blast furnace and Bessemer process together . Some Catalan furnaces , which I had an opportunity of examining in North Carolina , were near 3 feet from back to front and 2 feet from side to side , by 18 inches or 2 feet ...
... consumed in the blast furnace and Bessemer process together . Some Catalan furnaces , which I had an opportunity of examining in North Carolina , were near 3 feet from back to front and 2 feet from side to side , by 18 inches or 2 feet ...
الصفحة 35
... consumed , per ton of sponge made , was stated to be about 8 cwts . of charcoal and 27 cwts . of coal - in all , 35 cwts . This is not so much as is consumed for making Bessemer pig metal ; but , as nearly one - fourth of the quantity ...
... consumed , per ton of sponge made , was stated to be about 8 cwts . of charcoal and 27 cwts . of coal - in all , 35 cwts . This is not so much as is consumed for making Bessemer pig metal ; but , as nearly one - fourth of the quantity ...
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
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
مقاطع مشهورة
الصفحة 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.
الصفحة 381 - It is only within the last quarter of a century, that we have...
الصفحة 585 - Britain ;" elsewhere asserting that it would " prove a match for any part of the world in the production of cheap iron.
الصفحة 300 - Birkinbine, editor of the Journal of the United States Association of Charcoal Iron Workers.
الصفحة 489 - So far as my own observation goes, I should say that the...
الصفحة 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.
الصفحة 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.
الصفحة 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.
الصفحة 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.
الصفحة i - Principles of the manufacture of iron and steel, with some notes on the economic condition of their production.