GOLD RUSH SCREEN KIT 3 Large Screens 1/2-1/8-1/70" Classifiers-Sifting-Mining d Brown's Manual of Assaying was

Brown's Manual of Assaying was one of the leading assay guides for the miner and metallurgist back in the Late 1800's early 1900's

Silver bar will be like 25 oz maybe a bit more

by Roland Loewen

the rollers

GOLD RUSH SCREEN KIT 3 Large Screens 1/2-1/8-1/70" Classifiers-Sifting-Mining d Brown's Manual of Assaying wasThis is a set of 3 Classifying screens that fit on top of your 5 Gal Bucket and stack on top of each other. The 3 sizes in this set are as follows; Wire thickness: 0. 14 mmMesh size: 1 70" Wire thickness: 0. 60 mmMesh size: 1 8" Wire thickness: 1. 40 mmMesh size: 1 2" The screen is 304 Stainless Steel wire Why use our Sifting Pans (AKA classifiers sieves)? Classification is the most important step in gold recovery. Screen off large, worthless gravel