Vintage industrial ruggedized Weston model 1521 DC amp panel meter

Vintage Weston model 1521 industrial panel meter for D. C. amps. This meter is marked for a range from -50 amps (discharging) to + 50 amps (charging). It measures about 2.625" across and 2" deep. It is also marked "54 627 202" and "Sealed + Ruggedized - Do not open".

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