Jeff Wisnia wrote:
Yeah, the olde "ball and disk integrators" I remember seeing gathering
dust in the corners of some labs when I was in college.

I think they were WWII relics from mechanical analog computers used for
weapons aiming or something similar.

Beautifull machining though isn't it? She(?) must be one in a gadzillion.

Jeff

Doing a bit more digging, here's some info about her, and
pictures of her shop!

http://craftsmanshipmuseum.com/vanVark.htm

Jon