 | Anton Zacharias Helms - Argentina - 1806 - 304 pages
...Every hundred weight of refined copper used for alloy in the gold and silver coin cost the king 35/. through the gross ignorance of the overseers of the...frequently rendered it quite unfit for the purpose. I was therefore ordered by the governor, Don Fr. de Paulo Sanz, to introduce a process founded on sound... | |
 | Ralph Griffiths, George Edward Griffiths - 1807 - 572 pages
...Every hundred weight of refined copper i;sal for alloy in the gold and silver coin cost the king 35! through the gross ignorance of the overseers of the...who spent a whole month in roasting and calcining h, and frequently rendered it quite unfit for the purpose.' Cusco is described in a few desultory lines... | |
 | Anton Zacharias Helms - Mines and mineral resources - 1807 - 100 pages
...Every hundred weight of refined copper, used for alloy in the gold and silver com, cost the king 331. through the gross ignorance of the overseers of the work, who spent a whole mouth, in roasting and calciuwg it, suid frequently rendered it quite unfit for the purpose. I was... | |
 | Edinburgh gazetteer - Atlases - 1822 - 770 pages
...Every hundredweight of refined copper used for alloy in the gold and silver coin, cost the king L.35, through the gross ignorance of the overseers of the...they constructed a new laboratory, according to the most improved model, by which the copper ores used for alloy could be refined in four Lours and a half,... | |
 | English literature - 1824 - 808 pages
...conducted. Every hundred weight of refined copper, used for alloy, in the gold and silver coin, costs £.35, through the gross ignorance of the. overseers of the work, who spent a,whole month in roasting and calcining it, and, in the end, made it wholly unfit for their purposes.... | |
 | James Silk Buckingham - Great Britain - 1828 - 628 pages
...managed. Every hundred weight of refined copper, used for alloy in the gold and silver coin, costs 35 1., through the gross ignorance of the overseers of the work, who spent a whole month in wasting and calcining it. These various evils, the German commissioners, sent over by the King of Spain... | |
 | James Silk Buckingham - 1828 - 620 pages
...managed. Every hundred weight of refined copper, used for alloy in the gold and silver coin, costs 351., through the gross ignorance, of the overseers of the work, who spent a whole month in wasting and calcining it. These various evils, the German commissioners, sent over by the King of Spain... | |
 | Christianity - 1828 - 636 pages
...managed. Every hundred weight of refined copper, used for alloy in the gold and silver coin, costs 35 1., through the gross ignorance of the overseers of the work, who spent a whole month in wasting and calcining it. These various evils, the German commissioners, sent over by the King of Spain... | |
 | Thomas Curtis - Aeronautics - 1829 - 804 pages
...Every hundredweight of refined copper used for alloy in the gold and silver coin cost the king £35, through the gross ignorance of the overseers of the...Spain to inspect the mines, endeavoured to remove. They constructed a new laboratory, according to the most improved model, by which the copper ores used... | |
 | Thomas Curtis (of Grove house sch, Islington) - 1839 - 814 pages
...coin cost the king £35, through the gross ijnorance of the overseers of the work, who spent a »hole month in roasting and calcining it, and frequently...Spain to inspect the mines, endeavoured to remove. They constructed a new laboratory, according to the roost improved model, by which the copper ores... | |
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These various evils the German commissioners sent over by the king of Spain to inspect the mines, endeavoured to remove. For this purpose they contrived machinery for draining them of water ; and they constructed a new laboratory, according to the most... 