API INSTRUMENTS MICROAMPERES DC Meter 0-10 Microampres Meter NOS

Vintage 50-0-50 Electrical Gauge Panel Meter Microamperes DC Weston NOS

Simpson DC Galvanometer 500-0-500 Microamperes Model 27 - NEW IN BOX wo lid NOS

10 Triplett uA 0-50 DC microamperes Taut Band analog panel Meter Movements NOS

API Instruments Meter MicroAmperes DC 0-20 603K

Vintage Westinghouse portable Microamperes meter DC -Bakelite Case- Ammeter

TRIPLETT DC Microamperes Analog Meter Model 221-PL 0-50 Scale Untested

Vintage Triplett DC Microamperes panel Meter 0-200 Model 0221-T