Excerpt from The American Journal of Science, Vol. 134: Nos. 199-204; July to December, 1887 Vol. Xxxiv, page 136, line 8 from top, for silver read silica; page

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

Excerpt from The American Journal of Science and Arts, Vol. 45: Whole Number, 95, Nos; 133, 134, 135, January, March, May About the Publisher Forgotten Books pu