Genrad mystery

I'm trying to identify which General Radio or GenRad test system a pair of smaller items are we recently picked up at auction.

Items are identified as a "2275-4006 training box".

It appears to be a breadboard that plugs into a large tester via a dozen edge board connectors. There are two quick release snaps.

Looks vaguely empty. There is a removable and programmable breadboard on the top.

Age? Value? System? Links?

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Many thanks,

Don Lancaster                          voice phone: (928)428-4073
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Don Lancaster
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:I'm trying to identify which General Radio or GenRad test system a pair :of smaller items are we recently picked up at auction. : :Items are identified as a "2275-4006 training box". : :It appears to be a breadboard that plugs into a large tester via a dozen :edge board connectors. There are two quick release snaps. : :Looks vaguely empty. There is a removable and programmable breadboard on :the top. : :Age? Value? System? Links?

A photo on abse might be helpful...

Reply to
Ross Herbert

Sounds like a card from a portable tester. Any other identifying marks. It may be populated with chips I designed ;-)

...Jim Thompson

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|  James E.Thompson, P.E.                           |    mens     |
|  Analog Innovations, Inc.                         |     et      |
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Jim Thompson

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