Amateur machining, making a chuck backing plate on a 100 year old lathe
A small unit made some time ago is not adequate so, decided to up-scale and make a new one to perform better. Aluminum tube, 10 of 3/4"x1/8" center hole neodymium magnets, brass rod, Delrin plugs and handle.
( http://www.oldmansshop.com/ )
