 | William Robertson - 1803 - عدد الصفحات: 424
...nations. Nature completes the formation of some metals. Gold, silver, and copper, are found in their perfect state in the clefts of rocks, in the sides of mountains, or the channels of rivers. These were BOOK accordingly the metals first known, and first applied to use. But iron, the most serviceable... | |
 | William Fordyce Mavor - 1804 - عدد الصفحات: 458
...of rocks, in the tides of mountains, or in the channels of rivers. These were accordingly the metals first known, and first applied to use. But iron, the...indebted, is never discovered in its perfect form ; it must feel twice th'. force of fire, and go through two laborious pr' cesses before it become fit... | |
 | William Fordyce Mavor - 1804 - عدد الصفحات: 432
...remote. Nature completes the formation of some metals : gold, silver, and copper are found in their perfect state in the clefts of rocks, in the sides of mountains, or in the channels of rivers. These were accordingly the metals first known, and first applied to use.... | |
 | William Fordyce Mavor - 1805 - عدد الصفحات: 414
...of rocks, in the sides of mountains, or in the channels of rivers. These were accordingly the metals first known, and first applied to use. But iron, the most serviceable of all, and to which manis most indebted, is never discovered in its perfect form ; it must feel twice the force of fire,... | |
 | William Fordyce Mavor - 1806 - عدد الصفحات: 492
...mountains, or in the channels of rivers. These were accordingly the metals first known, and first ap, plied to use. But iron, the most serviceable of all, and to which mail is most indebted, is never discovered in its perfect form ; it must feel twice the force of fire,... | |
 | William Robertson - 1809 - عدد الصفحات: 392
...nation*. Nature completes the formation of some metals. Gold, silver, and copper, are found in their perfect state in the clefts of rocks, in the sides of mountains, or the channels of rivers. These were accordingly the metals first known, and first applied to use. But iron, Lthe most serviceable... | |
 | William Robertson - 1813 - عدد الصفحات: 620
...nations. Nature completes the formation of some metals. Gold, silver, and copper, are found in their perfect state in the clefts of rocks, in the sides of mountains, or the channels of rivers. These were accordingly the metals first known, and first applied to use. But iron, the most serviceable... | |
 | William Robertson - 1813 - عدد الصفحات: 490
...nations. Nature completes the formation of some metals. Gold, silver, and copper, are found ia their perfect state in the clefts of rocks, in the sides of mountains, or the channels of rjvers. Those were accordingly the metals first known, and first applied to use. But iron, the most... | |
 | William Robertson - 1817 - عدد الصفحات: 488
...clefts of rocks, in the sides of mountains, or the channels of rivers. These were accordingly the metals first known, and first applied to use. But iron, the...indebted, is never discovered in its perfect form j its gross and stubborn ore must feel BOOK twice the force of fire, and go through two laborious processes,... | |
 | William Robertson - 1817 - عدد الصفحات: 444
...nations. Nature completes the formation of some metals. Gold, silver, and copper, are found in their perfect state in the clefts of rocks, in the sides of mountains, or the channels of rivers. These were accordingly the metals first known, and first applied to use. But iron, the most serviceable... | |
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Gold, silver, and copper, are found in their perfect state in the clefts of rocks, in the sides of mountains, or the channels of rivers. These were accordingly the metals first known, and first applied to use. But iron, the most serviceable of all, and... 
