Silver and Gold: An Account of the Mining and Metallurgical Industries of the United States |
من داخل الكتاب
النتائج 1-5 من 29
الصفحة 159
... slag sold . Ores sold at mine .... Real estate , rent of houses . Virginia and Truckee Railroad Company , return freights on account .. $ 9,445 25 5 , 126 23 826 , 338 17 338 15 5 , 012 48 4,044 95 94 00 13 , 616 40 864 , 015 63 ...
... slag sold . Ores sold at mine .... Real estate , rent of houses . Virginia and Truckee Railroad Company , return freights on account .. $ 9,445 25 5 , 126 23 826 , 338 17 338 15 5 , 012 48 4,044 95 94 00 13 , 616 40 864 , 015 63 ...
الصفحة 175
... slag and clay . For lamps , brooms , & c .. For lumber and poles .... For belting - lace , leather , and packing . 3,830 58 939 00 3 , 485 67 1,006 60 98 25 For galvanized iron and gas - pipes . 1,011 89 For horse hire .... 214 22 For ...
... slag and clay . For lamps , brooms , & c .. For lumber and poles .... For belting - lace , leather , and packing . 3,830 58 939 00 3 , 485 67 1,006 60 98 25 For galvanized iron and gas - pipes . 1,011 89 For horse hire .... 214 22 For ...
الصفحة 214
... slag . Several times , from an error in the working or in fluxing , nearly all the metal was scorified , nor could it be reduced again . from the slag , at least in the reverberatory . Mining the ore costs , by contract , $ 2 per ton ...
... slag . Several times , from an error in the working or in fluxing , nearly all the metal was scorified , nor could it be reduced again . from the slag , at least in the reverberatory . Mining the ore costs , by contract , $ 2 per ton ...
الصفحة 301
... slag . " As the ores on the floor contained plenty of iron , and more than plenty of lime , it may easily be understood that what this addition really made was not a slag but a salamander . Yet in spite of these most evident losses ...
... slag . " As the ores on the floor contained plenty of iron , and more than plenty of lime , it may easily be understood that what this addition really made was not a slag but a salamander . Yet in spite of these most evident losses ...
الصفحة 381
... slags and by volatilization . This has been reached by a complete alteration of the shape of the furnaces , by ... slag ( although the same charge is used as in the other furnaces ) disappears almost entirely , being only per cent ...
... slags and by volatilization . This has been reached by a complete alteration of the shape of the furnaces , by ... slag ( although the same charge is used as in the other furnaces ) disappears almost entirely , being only per cent ...
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