My "mentor" found an old Columbian vise which he said had been under his workbench for at least 30 years! The lead nut and jaws were worn smooth but I found a lead nut, made it fit and cleaned and painted. It now looks like this. http://i235.photobucket.com/albums/ee25/dcmus/Vise/Vise1.jpg It's not much but I've finally made a couple things which are useable