Learn the old-timers way of assaying, firing and cupeling. How to safely and efficiently use nitric and aqua regia in separating gold and silver. A quick, to the point guide of "How To Do It Yourself".34 pages. $6.95
How to use nitric acid, mercury, fluxing and firing of ore. The use of Aqua Regia in recovering gold and silver. Techniques for recovering gold and silver from photographic film, electronic parts and jewelry. Includes conversion tables. 42 pages. Out of Print
Everything you need to know about this subject. Proper chemicals, smelting, and safety procedures. Packed with illustrations and vivid pictures. 8 x 10 112 pages. $36.95
B410
GOLDEN RULES TO CYANIDE LEACHING AND RECOVERY Nola May Carter.
Now the average man can safely and efficiently learn how to make and use
leaching and recovery systems. A straight forward booklet with easy to read
diagrams. 30 pages. $6.95
B11A
THE EXTRACTION OF FREE GOLD McGowan
A practical, simplified method of extracting free gold, by a man who has
spent a lifetime searching to improve the methods of gold extraction.
Color and fully illustrated. 61 pages. $7.95
Written in simple language, fire ore and purify gold or silver safely. Covers the dangers, equipment and ingredients for firing, purifying and recovering. 32 pages. $6.95
A fully illustrated book on exploration, assaying, ore testing and plant design. Stake mining claims, procedures etc. Everything for the amateur or experienced geologist. 8 x 10 130 pages. Out of Print