Editor journal Franklin Institute
โ
R. Grimshaw
๐
Article
๐
1882
๐
Elsevier Science
๐
English
โ 50 KB
## 3(i)6 Potash Ahtm from Feldspor. [Jour. Frank. Inst., material, has to be leached to extract the alum, requiring nmch water, giving weak liquors, and, consequently, wasting much coal in the subsequent concentration. Recognizing these objections, Mr. Spiller proposes cryolite as the source of