Note 56 — PART X SMELTING WORKS AND REFINERIES
Reading edition
Abstract from a paper in Zeit. f. Berg.-Hütten-und Salinenwesen im preuss. Staate, 1905, p. 400.
Reading edition
Abstract from a paper in Zeit. f. Berg.-Hütten-und Salinenwesen im preuss. Staate, 1905, p. 400.