I'm selling these wilson hardness testers. I never had time to get them working, so they are untested. I did talk to someone at wilson and he said they still support these and they sent a .pdf of the manual.
2 Wilson Rockwell Superficial Hardness Testers Model 4JS | eBay
Thanks for looking!
2 Wilson Rockwell Superficial Hardness Testers Model 4JS | eBay
Thanks for looking!