Lead Smelting and Refining, With Some Notes on Lead Mining

by Unknown

[57] Abstract from a paper in Zeit. f. Berg.-Hütten.-und Salinenwesen im preuss. Staate, 1905, p. 400.

[58] Abstract from an article in Zeit. f. Berg.-Hütten.-und Salinenwesen im preuss. Staate, 1905, LIII, p. 444.

[59] Translated from Oest. Zeit. f. Berg.-und Hüttenwesen, 1905, p. 455.