Re: Foucault test

PFAFF2@delphi.com
Sun, 09 Jul 1995 21:47:50 -0400 (EDT)

>
> Where can I get more info on a "slitless" tester?
>
> Ken Lowther
> 00109366@ysub.ysu.edu
>
>
Telescope Making #22 mag. Bob Pfaff