Additional pics
 
More pics that detail some characteristics of my treadle lathe.

   
Tail stock live center.
My original sketch that depicts design of tail stock live center.
Machined live center slides into 1/2" bushing. See sketch on left.
Jig that allows sharpening of drill bits and edge tools.
Floor flange axle, leather dust cover over oil port. Note stop nut on screw.
Pitman arm has 1-3/4" radius. This distance is critical.
Pitman connecting rod is oak. This shows where it attaches to treadle.
Bottom of tailstock drive shows wedge.
Bronze bushing houses treadle shaft axle.
Brass bushing houses live tailstock center.
Bottom view of tool rest. Wrench is epoxied to nut.
3/8" all-thread rod through frame with nuts on both sides.