Vintage Weston model 840 industrial DC volt electric panel meter

Vintage Weston model 840 industrial panel meter for D. C. volts. This meter is marked for a range of 0 to 150 volts dc. It measures about 2 5/16" square and 2" across the meter face. It is 2 1/4" deep.

This meter is from the estate of an electrical engineer and is in nice vintage condition with some wear to the case.