How to Tumble Polish Rocks into Gems
How to Tumble Polish Rocks into Gems, Secrets of The Pros Revealed 3rd Edition.
Taking and in depth look at tumbling, this is one of the few books that details the differences between vibratory and rotary tumbling.
By Edward E. Smith
Inventor of theVibra-Dry® Compounds
Viking®-Vibra-Sonic® & Mini-Sonic® Tumblers
Published By: Secrets of the Pros
6" x 8.5"