A Practical Treatise on Metallurgy: Adapted from the Last German Edition of Prof. Kerl's Metallurgy, Volúmenes1-2Longmans, Green, and Company, 1868 |
Dentro del libro
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Página viii
... Hearth Furnaces 65 67 68 The Scotch Hearth Process 69 Cumberland , Northumberland , Durham , Alston Moor , 69 . Pesey , 72 . The American Hearth Process 72 The Backwood Hearth , 73 . Illustrations of the American Hearth Process 74 75 ...
... Hearth Furnaces 65 67 68 The Scotch Hearth Process 69 Cumberland , Northumberland , Durham , Alston Moor , 69 . Pesey , 72 . The American Hearth Process 72 The Backwood Hearth , 73 . Illustrations of the American Hearth Process 74 75 ...
Página xxvi
... Hearth used at Alston Moor 13-16 Castilian Furnace 17 , 18 19-22 23 , 24 25 , 26 27 , 28 French Reverberatory Furnaces . Reverberatory Furnaces with a Fire - place on each side Furnace used at Escalette Scotch Hearth Furnace American Hearth ...
... Hearth used at Alston Moor 13-16 Castilian Furnace 17 , 18 19-22 23 , 24 25 , 26 27 , 28 French Reverberatory Furnaces . Reverberatory Furnaces with a Fire - place on each side Furnace used at Escalette Scotch Hearth Furnace American Hearth ...
Página 11
... hearth furnaces with hot blast ; in this only the very purest galena is used . It is generally adopted in North America , and it has been tried at Bleiberg , and Przibram . The second is , smelting in Scotch hearth fur- naces with cold ...
... hearth furnaces with hot blast ; in this only the very purest galena is used . It is generally adopted in North America , and it has been tried at Bleiberg , and Przibram . The second is , smelting in Scotch hearth fur- naces with cold ...
Página 13
... hearth furnace , for pure galena , depends chiefly on the quality and price of the available fuel , and for this reason hearth furnaces are principally used in those countries where good coal is expensive , and wood and turf cheap . THE ...
... hearth furnace , for pure galena , depends chiefly on the quality and price of the available fuel , and for this reason hearth furnaces are principally used in those countries where good coal is expensive , and wood and turf cheap . THE ...
Página 26
... hearth running together , and causes them to remain longer in the furnace , in consequence of which they partly volatilise or combine with the slags after becoming oxidised . The ores must be poor in silver , or the resulting slags will ...
... hearth running together , and causes them to remain longer in the furnace , in consequence of which they partly volatilise or combine with the slags after becoming oxidised . The ores must be poor in silver , or the resulting slags will ...
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Términos y frases comunes
24 hours Altenau amalgam amount of silver antimony argentiferous arsenic baryta bismuth black copper blast calcined cent of copper cent of lead cent of silver charcoal charge chiefly clay coal cobalt coke condensation copper matt crucible cubic feet cupelling cupola furnaces cwts decomposed desilverised dross extraction flue fluxes formation formed Freiberg fuel furnace ends fused galena gold hearth heated impure inches iron pyrites Lautenthal lead containing lead matt lime liquation litharge loss of lead loss of metal loss of silver mercury metre mixed mixture muffles nickel oxide oxide of lead oxidised Pattinson's process precipitated production quantity quartz raw lead raw matt reduced refined residues resulting reverberatory furnaces rich lead roasting mass roasting process schlich silica silver per cwt slags smelting process sodium sodium amalgam spar speiss sulphate of lead sulphide sulphuric acid sump temperature treated tuyere u. h. Ztg Upper Hartz volatilisation whilst yield zinc blende