The lever style clutch was used on the late model Heavy Ten's.steamin10 wrote:One diference is a flip lever for the cross drive rather than the hand knob, an obvious addition.
These were popular enough that SBL offered a kit with instructions
to convert earlier star knob lathes over to the lever type.
Have you checked the spindle out yet? If it is a late model (which
your description indicates), it might have the D1-4 spindle mount
instead of the threaded spindle.
Good Luck!
-Blue Chips-
Webb