The SciencesTheory and Practice in MetallurgyAdvances in Metallurgic PracticeBy W. C. Roberts-Austen on October 17, 1891AdvertisementABOUT THE AUTHOR(S)Recent Articles by W. C. Roberts-AustenThe Reduction of the Rarer Metals from their OxidesThe Effects of Alloys on the Mechanical and Physical Properties of MetalsThe Effects of Alloys on the Mechanical and Physical Properties of Metals