Mach_Cat
06-28-2014, 11:52 AM
I have an old hardness tester from my Dad.
No name on it and no instructions. How do I use this? How do I calibrate it? Thanks Mach_Cat
109067109068109069
No name on it and no instructions. How do I use this? How do I calibrate it? Thanks Mach_Cat
109067109068109069