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 43
... feet high , and have at their bases fire chambers , where the fuel is applied . This is shown at a , a , a , a , Fig . 4. Through the piled ore are draft holes or chim- neys , b , b , which regulate the draft ; by these chimneys , the ...
... feet high , and have at their bases fire chambers , where the fuel is applied . This is shown at a , a , a , a , Fig . 4. Through the piled ore are draft holes or chim- neys , b , b , which regulate the draft ; by these chimneys , the ...
Page 44
... feet high , from seven to eight feet wide at the base , and of convenient length , may be put up and fired . These rows may be finished in ten or twelve days ; but though they answer well enough for hydrates , sulphurets , carburets ...
... feet high , from seven to eight feet wide at the base , and of convenient length , may be put up and fired . These rows may be finished in ten or twelve days ; but though they answer well enough for hydrates , sulphurets , carburets ...
Page 46
... feet of the workman . Stones and coarse foreign matter may be separated by hand ; the fine riddlings are thrown aside , or may be used for leveling the ore yard ; mixed with lime , they make an excellent mortar . A more convenient ...
... feet of the workman . Stones and coarse foreign matter may be separated by hand ; the fine riddlings are thrown aside , or may be used for leveling the ore yard ; mixed with lime , they make an excellent mortar . A more convenient ...
Page 57
... feet of the roof rock may be penetrated , this rock will secure the bottom of the shaft in case a thorough investigation of the mineral vein is contemplated . Fig . 14 is a section of such a shaft : a , the mineral vein : b , the Fig ...
... feet of the roof rock may be penetrated , this rock will secure the bottom of the shaft in case a thorough investigation of the mineral vein is contemplated . Fig . 14 is a section of such a shaft : a , the mineral vein : b , the Fig ...
Page 58
... feet in depth seldom exceeds one dollar per foot ; from this depth to that of five hundred feet , about two dollars . The manipula- tions required are simply those employed in boring Artesian wells ; and we shall give a short ...
... feet in depth seldom exceeds one dollar per foot ; from this depth to that of five hundred feet , about two dollars . The manipula- tions required are simply those employed in boring Artesian wells ; and we shall give a short ...
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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
Popular passages
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