grinder

Hey folks, bumped in to a real head scratcher. My brother and I were out hunting one of our favorite pre-civil war sites here in Ga, but the area also yields a lot of nice Native American relic finds if you keep a sharp eye out. I found this object along with a large 8x10 slate grinding stone...

So after a ton of rock crushing with a pos-thammer and heavy prybar, i decided to do the Google Patents and look at rock crushers, I also looked at buying a 800$ rock crusher. After all of this I decided to build one (took 3 days of goofing off in the garage)! Items: 1. 1947 3" Irrigation...