Sun (yellow) and planet (red) gearing - Gear
Rack and pinion | QuickiWiki
Lock gate controls on a canal - Rack and pinion
My first CNC, a Mori-Seiki AL2. Mine didn't have a chip conveyor though...
The Blacksmith's Shop | WikiWand
Spent a lot of hours in front of these machines
Working on a control technology story and ran across this GE550 control
Hardinge HNC with a taper nose