gingery_machines @Wiki accessories

machine#designs: accessories
Dave_Gingery: series: accessories

This section includes
dividing heads,
rotary tables,
spin indexers,
change gears,
steady_rests,
chucks,
milling attachments,
toolposts
quick change toolposts,
turret_toolposts
toolpost_grinders
"toolpost millers," (what do you call those anyway?)
non-cnc DRO systems,
flood coolant systems,
and anything else that is easily removable from a machine and fairly interchangeable.

http://homepage3.nifty.com/amigos/index-e.html (a good site showing many accessories)

Regarding the book "Dividing Head and Deluxe Accessories":
parts list and final assembly gallery ?
explanations and corrections to the book
improvements and modifications to gingery design ?
other designs ?
construction techniques ?
usage techniques ?
safety ?