OT: removing spun bearing material from crank

I don't know about that but if you can find the oldest mechanic in the area, there USED to be, back in the last century, a crank grinder that could be used "in the car." We of course are talking here of older cars in the '50's and earlier

Here's one in use at the HAMB. This is NOT being used in a car, obviously, but this is the type of machine:

http://www.jalopyjournal.com/forum/showthread.php?t=519872


Here, fixed the darn photo: