Homemade Myford ML7 adjustable back-stop with extractor tool. From Steve Jordan. He has a nice YT channel, with a special section for homemade tools and machine components.
Mini lathe centering tool - video
Wood lathe turning piece hits man in face - video
Worker accidentally pulled into lathe
Cutting spirals with a rose engine lathe - GIF
World's largest lathes - photos
WWII hand-powered lathe from Liberty Ship - photo
Homemade high precision air bearing CNC lathe and grinder