oxtoolco | Lapping a V Block With a shop made lap @oxtoolco | Uploaded 7 years ago | Updated 2 hours ago
In this video we use the Marvel Saw to help make a cast iron lap and then precision lap a hardened Anton v block. We check the results of the lapping with a monochromatic light source and an optical flat.

Microgrit abrasives microgrit.com/index.html
Accu-finish/Glendo http://accu-finish.com
Optical flats en.wikipedia.org/wiki/Optical_flat