This Barber-Coleman PA-11-1 millivolt potentiometer and run up box is a top-of-the-line piece of equipment for anyone in need of precise data acquisition. The model is specifically designed for those in the business and industrial field, as well as those involved in test, measurement, and inspection. This particular model is highly sought after for its accuracy and reliability, making it an excellent choice for any professional looking to upgrade their tools.

It’s possible ,from inspecting it, that it may be unused? It is in pristine condition. Luckily there were no batteries in it to corrode. In fact I cannot tell if any were ever installed.

The model number on the Run Up Box is A-6986.

As it’s vintage electronics I have listed it, as is,for parts,for my protection.

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