[COFF] [TUHS] AP-3 minicomputer

[Adam Sampson]

Dan Cross <crossd at gmail.com> writes:

> https://www.cia.gov/library/readingroom/document/cia-rdp78b04770a000100110018-1
> However, details of the sending party have been redacted, and there is
> nothing pointing to the identity of the manufacturer.

The 1704689 flip-flop PCB is a Bendix part:
https://www.ebay.com/itm/263975518840

This page has a picture of a "Nistri-Bendix AP/3 analytical
stereoplotter (a special purpose instrument primarily used to compile
contour maps and terrain profiles)", which sounds like the kind of thing
the Air Force would have:
https://www.cia.gov/library/center-for-the-study-of-intelligence/kent-csi/vol15no1/images/index.html

There's more information online about the AP/1, AP/2 etc., which consist
of a digital computer driving some specalised plotting hardware -- so it
sounds like the letter's talking about spares for the computer part of
the AP/3. Whether that's the same as the AP-3 you're after, though...

-- 
Adam Sampson <ats at offog.org>                         <http://offog.org/>