Dave, I was recently given three BK 1077 Analysts, included were three slides, the standard test pattern like my avatar and a couple others.
I've made a High Res scan of you can DL and possibly print to a piece of clear mylar:
http://www.vintagetvsets.com/temp/bkslide.jpg
It should be the actual size so if you print it as is it should be right, you might have to trim the edges a little.