Simpson Model 49 0-10 AC Volts-2000 Ohms Per Volt- Rectifier Voltmeter NOS

Simpson Model 370 Amp Meter

simpson 160 volt-ohm-milliammeter, with manual, calibration records, test leads

New Simpson Instruments Amp Meter model 2124 50-0-50 DC Microamps

Simpson 260 Series 7P Analog Multimeter Volt-Ohm-Milliammeter Overload Protected

Vintage Simpson Model 260 Series Analog Multimeter VOM with Case Leads Manual

NEW DMM CHECKER 10V PRECISION 0.0035% LT1021 REFERENCE + 2ND ADJUSTABLE OUTPUT

New Simpson Electric Meter Gauge 0-200 Direct Current Microamperes D.C. Model 26