Louis Ohland wrote:
While working on the compound clamp mod, I came across the compound
lock, where a lever operated cam fixes the compound in place, instead of
having to loosen the clamp bolts.

Any pics or drawings?

Louis, there are lots of plans online for building a tailstock
lever-lock for several chinese lathes.
The compound locks I've seen looked like a variation of the same principle

http://www.google.com/search?q=tails...ient=firefox-a