While cruising the web, I found a site that needed this data sheet.
Since I had to scan it anyway, here is a posting of Brimar's D7-200GH
small CRT data sheet.

Apparently it is reasonably hard to find.

http://novatech-instr.com/Fun/d7-200gh.pdf

It's about 1MB.

Steve.
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Steven D. Swift, , http://www.novatech-instr.com
NOVATECH INSTRUMENTS, INC. P.O. Box 55997
206.301.8986, fax 206.363.4367 Seattle, Washington 98155 USA