The widow must not have used the machine much....it looks new!
Looking at your carriage the hex head on the left of the carriage maybe the mounting place ? Hard to tell but it sure looks likely to me . It may even be a push off to stop the feed towards the head stock. If it is you struck gold with that lathe.
It's always good to show up ready for action.You are right Chuck K. So, we showed up in the town neighborhood with a Freightliner, low boy trailer with hydraulic ramp and a tracked skid steer, much blocking and nylon straps. We drew quite a crowd from her neighbors...LOL.