Recovering Precious Metals From Waste Liquid Residues; a Complete Workshop Treatise, Containing Practical Working Directions for the Recovery of Gold, Silver, and Platinum From Every Description of Waste Liquids in the Jewellery, Photographic, Process Wor

*Valid July 15, 2024 - September 11, 2024 at Canadian stores and at indigo.ca, while quantities last, with $30.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.