The Victoria Gold Valuer's Ready Reckoner and Assayers Chemical Guide: Being a Manual Descriptive of the Ordinary as Well as the Scientific Modes of Conducting Assays ... The Chemical Instructions by J. C. Scoffern, the Calculations Prepared by W. M. Higgins
Author : John SCOFFERN
Publisher :
Page : 280 pages
File Size : 31,66 MB
Release : 1853
Category :
ISBN :