[Coco] [OT] Analog computer from Radio Shack

[Stephen Castello]

On Sun, 17 Dec 2006 18:28:37 -0800, John Guin <johnguin at hotmail.com>
had a flock of green cheek conures squawk out:

>Hello all,
>
>I just saw this on ebay (not listed by me):
>http://cgi.ebay.com/vintage-SCIENCE-FAIR-Radio-Shack-analog-computer-kit_W0Q
>QitemZ300058420692QQihZ020QQcategoryZ1247QQrdZ1QQcmdZViewItem
>
>It's the old analog computer from RS.  What caught my eye was the
>advertising tagline on the box: "As accurate as a slide rule!"
>
>Heh.
>
>Oddly enough, I used a slide rule quite regulary when in the navy.  It was a
>bearing rate computer, for any veterans out there.  Was fast but accurate?
>I guess +/- 5% is "accurate" depending on your needs.
>
>Anyway, this computer looks pretty nice.  I can't imagine it's very
>complicated by today's standards.  Does anyone know if a schematic or DIY
>type of article is available anywhere for making one of these?
>
>Thanks,
>John

From the parts shown, it's probably a wheatstone bridge.

Stephen
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