How To Refine Precious Metals: The Gold Refinery Process & PGM Refining

Scrap Metal Bible: Precious Metals Guide

Almost Free Gold! [Revised June 2016]: How to Earn a Quick $1000 Finding Gold, Silver and Precious Metal in Thrift Stores and Garage Sales Where You Live (Almost Free Money Book 5)

Backyard Gold Refining Photo Journal: Electronic Scrap Techniques, with 250 Photos, Step by Step

Gold from scrap (Urban survival - Pocket edition Book 1)

gold refining for the amateur chemist

Gold refining from computer motherboards

E-Waste Gold - Recovery of Gold & Other Precious Metals From Electronic Waste (Surplus Secrets Book 1)

How to Diagnose and Fix Everything Electronic, Second Edition

The prospector's field-book and guide in the search for and the easy determination of ores and other useful minerals

The Urban Valley Prospectors How to Reclaim Gold From E-Waste