More than three-fourths of the silver obtained from America, is extracted from the ore by means of quicksilver: the loss of quicksilver in this operation, Mr. Humboldt estimates has been about 16, 000 quintals a year, and in the whole of America, anbsp;...
Title | : | Commercial Tariffs and Regulations, Resources, and Trade, of the Several States of Europe and America, Together with the Commercial Treaties Between England and Foreign Countries |
Author | : | |
Publisher | : | - 1846 |
You must register with us as either a Registered User before you can Download this Book. You'll be greeted by a simple sign-up page.
Once you have finished the sign-up process, you will be redirected to your download Book page.
How it works: