This is a short but informative book on how to tumble rocks, minerals, gemstones and other materials using a rotary rock tumbler. This book comes with the Lortone professional series of rock tumblers, but the information inside applies to all rock tumblers. If you are considering a rock tumbler or have one and want to know more about how to tumble, then this book is for you. It contains a valuable section on tips and tricks of the trade on how to get professional results.
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