Jan in Texas here, doing the Happy Dance. My little broken base hand crank is now freewheeling !!! She purrs like a kitten!! Still have some screws to get loose, but her ID number is 1531103. Her shuttle says "Eldredge" on her, so she is either Eldredge or National. Does anyone have info on these numbers??? Tomorrow the kerosene bath. Maybe more screws will loosen after that.