ation that Leadville had gold mines, and the whole make it utterly impossible for any one to approach district was, of course, thoroughly prospected for gold. the scene of the accident to shut the valve or adopt The subsequent discovery of silver-lead carbonates in other means of preventing the… … that with the progress which has been and is easily connected with the mouth- made in recent years in the metallurgy piece. For the eyes giass spectacles are THE LOEB PATENT RESPIRATOR. of gold and silver, many ores which used, each glass of which is provided were formerly worthless are now with a…
Internet Archive · Public domain (published before 1931). Free to use for anything.
