[Test-Equipment] C-975/URR Receiver Control METER

[robt.mcclain at att.net]

Sir,

I have one of these very old (but NIB) Collins military receiver controls and it was missing the one panel meter it had when I got it.  I have no manufacturer information because Collins did not put that information in the manual that I have.  However, it fits into a 2 1/8" hole, is circular, and is of the sealed type.  On the face, the scale is :  20-0-20 KC Correction,  with the 0 at center null.  These units were being produced in the early 50's until ?  

If I send you a picture of the front panel, with an illustration of the meter itself, do you think you can help ?

Thanks,

Bob McClain
K4ATP