Electronic Lead Screw on the Craftsman 101/Atlas 618 6" Lathe 

In stead of dealing with gear changes every time you wish to change the feed rate, you just push a button (or two).
This is the implementation of the Clough42 ELS on the Atlas Lathe bringing the 1940s lathe into the 21 century.
Here is more info from James at Clough42 / @clough42
Here's links to parts I used (some affiliate):
pulleys 2gt 60 theeth amzn.to/3LksaTh
pulleys 5.08mm39 Teeth (my motor had 13 teeth present) amzn.to/3ovC9x7
pulleys 5.08 40 Teeth amzn.to/41BKXAb
pulley 5.08 20 Teeth amzn.to/3H294zR
PSU amzn.to/3LmH4cJ
plugs amzn.to/3Neen2O
belts amzn.to/40Cca4h
motor bracket amzn.to/3VeuWhr
5V power amzn.to/3KZ40NN
case controller amzn.to/3AnjaaK
Electronics case www.homedepot....
Clough42 kit www.ebay.com/i...
encoder www.ebay.com/i...
MDrive23 www.ebay.com/i...
Ti Launchxl-F280049C www.mouser.com...