I've finally started on this machine now that I found a donor treadle for the drawer. I'll post some pictures later today on my progress in hopes that it helps others with restoring their machines. So far it's not a lot.
It's a little early to worry about it but I do have a question. Do the moving parts on the treadle get oil or grease instead? I suspect oil but want to be sure. I've started taking it apart so I can repair the pitman arm and it's bone dry. The pitman arm is missing some wood from the bottom and has a very old repair. I'm splicing in some new wood but will also leave the repair plate in place. It was a good repair done with materials at hand a long time ago and it seems a shame to just toss it. I actually have a good arm from the parts treadle but want to do things the hard way instead.
Rodney