Don't want to hijack Gmacz thread, but having doubts about that S1. If it remains his, any work you do just benefits him in the long run. I would make him a very sensible offer and try to make it all mine. From those pictures it looks like you couldn't get a better start for a restoration.
Sorry Gmacz! Looking forward to seeing your 90 being brought back to life.
Sorry Gmacz! Looking forward to seeing your 90 being brought back to life.