My Machinery .My tumbler is used for tumble polishing such materials as small nodules and beach collected jaspers and agates. This is a vibrating lap used for grinding flat surfaces to get them ready for final polishing. This is a hard wool 10 inch hand polishing lap used with tin oxide powder to get a final shine on flat lapped stones. My 10 inch diamond trim and slabbing saw. This is the machine I built to finally shape and polish my spheres. My 24 inch diamond saw with variable speed electric drive.The sphere preformer jig is in the saw vice.