"The Sampling and Assay of the Precious Metals" Gold-Silver-Platinum-Group 2015 kk The kit includes 1-8 1/2"

The kit includes 1-8 1/2" Gold Pan

Full instructions are also included

Centrifugal Concentrators

- Glass Lens

Assay of Auriferous Tinstone

"The Sampling and Assay of the Precious Metals" Gold-Silver-Platinum-Group 2015 kk The kit includes 1-8 1/2"This is a new 2015 printing of the 1913 Book The Sampling and Assay of the Precious Metals by Earnest Smith Probably the best Classic Text on the subject and still referenced today by Assayers and Chemists. This book covers most ever aspect of precious metals from the Assay Office, Furnaces, Balances, Physical and Chemical Properties of the Precious metals, Sampling, Sample Preparation, Fluxes, Cuppelation and more. It then goes with Chapters