Think I need some milk now. :hihi:

OK, you have had had your cake! Can't get this one eh...

Nope. Used out in the field.

How about a part for a siesmograph??

Nope.

Buried phone cable stripping machine?

Here is an image of one of these (different brand but same basic concept) with the back opened up. In this image there are more of the things that it interfaces with but it is missing one major piece....