Regarding your question about the original power cord. Here is a photo of my 41-255 power cord. It was a brown plastic (rubber) cord molded with a gromet (strain relief) going into the chassis and a plug molded onto the other end. I would think that the '41 and '42 models would be similar.
Thanks. In the 42-345 it seems like it was the same.
There was just a piece of rubber hose in there as an insulator when I got this so I ended up just opening up the hole and putting in a new 1/4 inch rubber grommet.
Right now I’m just getting no voltage so I’m trying to diagnose that problem.