 | United States. Patent Office - 1852 - 534 pagina’s
...to explain, though we cannot allow that they in any way justify, the present condition of the zaffre market, since these very difficulties are daily overcome...us. Many of the ores of copper, when first received b/ the manufacturer, are in a state quite parallel to that of the Cornish ores of cobalt, even in regard... | |
 | United States. Congress. Senate - 1852 - 576 pagina’s
...they in any way justify, the present condition of the zaffre market, since these very diffieultif s are daily overcome in one of the largest metallurgical...us. Many of the ores of copper, when first received b/ the manufacturer, are in a state quite parallel to that of the Cornish ores of cobalt, even in regard... | |
 | Andrew Ure - 1853 - 1034 pagina’s
...to explain, though we cannot in any way allow that they justify, the present condition of the 7afFre market ; since these very difficulties are daily overcome...cobalt, even in regard to poverty of metal. There is the some excess of granitic matrix, the same necessity for avoiding the use of any agent capable of attacking... | |
 | Andrew Ure - 1853 - 1034 pagina’s
...allow that they justify, the present condition of the zaffre market ; since these very difficulties nrc daily overcome in one of the largest metallurgical...of copper, when first received by the manufacturer, arc in a state quite parallel to that of the Cornish ores of cobalt, even in regard to poverty of metal.... | |
 | Andrew Ure - 1867 - 1144 pagina’s
...explain, though -we cannot in any way allow that they justify, the present condition of the zaffre market ; since these very difficulties are daily overcome...ores of cobalt, even in regard to poverty of metal. What then is the flux employed by the copper manufacturer in Mich cases? We reply at once, — it is... | |
 | United States. Congress. House - 548 pagina’s
...they in any wav justify, the present condition of the zaffre market, since these very difficultif s are daily overcome in one of the largest metallurgical...us. Many of the ores of copper, when first received bf the manufacturer, are in a state quite parallel to that of the Cornish ores of cobalt, even in regard... | |
 | 1851 - 548 pagina’s
...explain, though we cannot al low that they in any way justify, the present condition of the zarfre market, since these very difficulties are daily overcome...us. Many of the ores of copper, when first received b/ the manufacturer, are in a state quite parallel to that of the' Cornish ores of cobalt, even in... | |
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Many of the ores of copper, when first received by the manufacturer, are in a state quite parallel to that of the Cornish ores of cobalt, even in regard to poverty of metal. There is the same excess of granitic matrix, the same necessity for avoiding... 