GOLD RUSH SCREEN KIT 3 Large Screens 1/12-1/50-1/100" Classifiers-Sifting-Mining MYOGBTL225-240 This is a hardback book

This is a hardback book copyright 1944

Equilibrium in Fire Assaying

Full to the top will give you a apx 200 Gram Gold Bar & Silver would be apx 4 oz or 120 Grams

Lead Assay -

GOLD RUSH SCREEN KIT 3 Large Screens 1/12-1/50-1/100" Classifiers-Sifting-Mining MYOGBTL225-240 This is a hardback bookThis 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. 10 mmMesh size: 1 100" Wire thickness: 0. 17 mmMesh size: 1 50" Wire thickness: 0. 45 mmMesh size: 1 12" The screen is 304 Stainless Steel wire Anyone outside the lower 48 states must chose USPS Priority & PO Boxes too. Any questions fee free to ask