Polishing Gems with a Covington Flat Lap
I've spent a lot of time hunched over a workbench, but nothing quite beats the workflow of a covington flat lap when you're trying to get that perfect mirror polish on a slab. If you've been into lapidary work for more than a few months, you probably know the name Covington. They've been building these machines forever, and there's a reason you see so many of those old, green-painted units still kicking around in garages and professional shops. They're built like tanks, and honestly, they just work. ...