New Simpson Instruments Amp Meter model 29. 0-50 DC Microamps CAT. NO. 3960

Vintage Simpson Model 29 DC 0-100 Microamperes Electric Panel Meter in Elec. Box

Simpson Model 29 Meter 29 0-15 DC Milliamperes

Simpson model 29 panel mount Pyrometer gauge -20 to 150C,0-300F I/C thermocouple

Vintage SIMPSON Milliamperes Meter Direct Current Gauge Dial DC 3" x 3" Bakelite

simpson capacity bridge model 381 With Original Box Vintage

Vintage SIMPSON Meter Case, Clear Plastic, Original Box, Template on Bottom

Vintage NOS Simpson Model 29 Panel Meter DC 0-10MA Milliamperes 5110