Help identifying mystery Unibus board

Josh Dersch derschjo at
Tue Sep 24 02:10:41 CDT 2019

Hi all --

Found this in a stack of boards, and I don't know what it is, other than
that it's Unibus -- there's a logo but no text identifying the board or the
manufacturer.  Anyone recognize the logo in this picture?

Here's the full board, for reference:


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