Thanks to Stan Nelson (I will never tire of thanking Stan; my debt to him is great), here are some images of the Drawing Box and its use from his Wells College class last year. The Drawing Box has at… (View Post)
I really like Ramiro's idea of using a lamp base. One other, completely different, route is to use a stereo inspection microscope. The late Jim Rimmer used one, and I have been told that Richard Årli… (View Post)
Here in the US tool steels are usually identified by an alphanumeric code. So "O1" is an oil-hardening steel, "A1" air hardening, "S7" shock-resistant, etc. In Stan Nels… (View Post)