For Sale:
A vintage hand crank grinder as shown. Has a small collet, only one included, about .4" inside diameter. There is a very small stone that you turn by hand and the gear then turns your work piece as well.
Not sure what its original use was, looks like it was probably made to sharpen tooling.
This is old and UN-identified, so it is sold as is with no returns. Make sure you really want this before you buy it.