Contact lens lathe.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...lens_lathe.jpg
0:43 video:
https://www.youtube.com/watch?v=wtysjpl3s5I
0:56 video:
https://www.youtube.com/watch?v=ggbDIgklXVM
