Abrasive garnet production in 1906

Production of magnesite in 1906

📂 Article 📅 1908 🏛 Elsevier Science 🌐 English ⚖ 204 KB

Production of barytes in 1906

📂 Article 📅 1908 🏛 Elsevier Science 🌐 English ⚖ 60 KB

THE zINC smelters of the United States are divided into two groups, -~iz.: (I) those which make high-grade spelter from special ores, this group including the New Jersey Zinc Company, and the Bertha Mineral Company, producing at Bethlehem and Palmerton, Penna., arid Pulaski, Va., spelter fro~m the r

Anthracite coal production in 1906

📂 Article 📅 1908 🏛 Elsevier Science 🌐 English ⚖ 60 KB

THE zINC smelters of the United States are divided into two groups, -~iz.: (I) those which make high-grade spelter from special ores, this group including the New Jersey Zinc Company, and the Bertha Mineral Company, producing at Bethlehem and Palmerton, Penna., arid Pulaski, Va., spelter fro~m the r

The production of asbestos in 1906

📂 Article 📅 1907 🏛 Elsevier Science 🌐 English ⚖ 102 KB

## Notes and Comments. 373 The chemical analvsis was performed by my esteemed friend Mr. W. J. Williams, a work which required considerable time and circumspection and to whom my thanks are due. His results here follows :--

Production of bauxite and aluminum in 19

Production of bauxite and aluminum in 1906

📂 Article 📅 1907 🏛 Elsevier Science 🌐 English ⚖ 59 KB

Production of monazite and zircon in 190

Production of monazite and zircon in 1906

📂 Article 📅 1907 🏛 Elsevier Science 🌐 English ⚖ 56 KB