Serial No. 101
Range Knob has 0-1.0 0-0.10 0-0.025, Zero Adjust Knob, Span Adjust Knob, Open/Close Knob on top
There is a piece of tape on the end with 18559-00 handwritten on it
I opened this up and the inside looks new
I think that it is actually used, but there is no way for me to be sure.
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