Sent from my iPad
> On Mar 12, 2018, at 7:08 PM, Ed Minch wrote:
> I have posted this before but this is about the coolest tool I have. It is
not a sharpening stone - it is a sharpening rock. The recess has a piece of
something like pasteboard at the bottom, saturated in oil. The lid shows the
lead screw holes where the waste was removed with an auger - did augers have
lips and lead screws in 1817?
> > https://www.flickr.com/photos/ruby1638/17348545835/in/album-7215765
Could be a center bit.