The Manufacture of Iron, in All Its Various Branches: ... to which is Added an Essay on the Manufacture of Steel |
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Page 19
... sometimes in clay hornblende or chlorite slate , greenstone , and limestone , and is mixed with epidote , pyroxene , and garnet . We never find it in more recent geological deposits . Its crystalline form is an octahedron , and it ...
... sometimes in clay hornblende or chlorite slate , greenstone , and limestone , and is mixed with epidote , pyroxene , and garnet . We never find it in more recent geological deposits . Its crystalline form is an octahedron , and it ...
Page 20
... sometimes altered - and , mixed with silica , lime , & c . , turns into hydrates of iron ; but an admixture of clay does not alter its red color , and the ore is called clay ore . Reddle , jaspery clay ore , columnar , and lenticular ...
... sometimes altered - and , mixed with silica , lime , & c . , turns into hydrates of iron ; but an admixture of clay does not alter its red color , and the ore is called clay ore . Reddle , jaspery clay ore , columnar , and lenticular ...
Page 21
... sometimes brownish , or even velvet black . At the blowpipe it turns brown or red , and in the reducing flame black , and melts into a black cinder . Burnt or roasted , it is strongly attracted by the magnet , but not in its raw state ...
... sometimes brownish , or even velvet black . At the blowpipe it turns brown or red , and in the reducing flame black , and melts into a black cinder . Burnt or roasted , it is strongly attracted by the magnet , but not in its raw state ...
Page 23
... sometimes grayish , of slaty appearance , more or less hard , but always harder than clay slate ; the powder is attracted by the magnet , and turns brown or red by being calcined . Some varieties burn in larger heaps without other fuel ...
... sometimes grayish , of slaty appearance , more or less hard , but always harder than clay slate ; the powder is attracted by the magnet , and turns brown or red by being calcined . Some varieties burn in larger heaps without other fuel ...
Page 26
... sometimes mixed with iron ores ; but it is very apt to choke the top of the blast furnace , for the arsenic , evaporating in the greater heat of the hearth , condenses at the cooler top . The most interesting deposits of this ore are in ...
... sometimes mixed with iron ores ; but it is very apt to choke the top of the blast furnace , for the arsenic , evaporating in the greater heat of the hearth , condenses at the cooler top . The most interesting deposits of this ore are in ...
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Common terms and phrases
advantage alkali anthracite furnaces applied ashes bar iron bituminous blast furnace blast machine boshes bottom bushels calcareous carbonic acid cast iron cent charcoal forge charcoal furnaces charges charring chemical cinder clay coke furnaces cold cold-short color combine contains cylinder diameter dust employed feet fibrous iron fire brick flux foreign matter fuel fusible gray iron grooves hammer hearth heat hot blast hydrogen impurities inches interior kind less lime limestone magnesia magnetic manganese melt mixed mixture nace operations oven oxide oxide of iron oxygen phosphorus pig iron pig metal pile pipes plate potash pounds present produce protoxide of iron puddling furnace quantity rail refractory reheating furnace result roasted rollers rough shaft sheet iron silex silicious silicon smelted square stack steel stone coal strong sufficiently sulphur sulphurets temperature thick tion turf tuyere vein welding white iron white metal wood workmen wrought iron
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