A Guide For Rock Polishers
A Thumlers booklet
15 Pages, Color Photos, Paperback, 7 1/2" x 5 1/4"
- This is a new "A Guide For Rock Polishers" book
- This guide teaches you about
- Tumbling stones
- Beach rocks
- Polishing brass and other metals
- Instructions
- Care and maintenance for a tumbler
- Grit quantities
- Test for hardness
- Mohs Scale
