Ptc Magnetic Surface Thermometer 0-150

Pipe / Surface Thermometer, 0-500F, 2" Face, with Mounting Springs

PTC Instruments Model 312F Magnetic Surface Thermometer

Vintage PTC Instruments Model 575 F Surface Thermometer

PTC Instruments Vintage 313FRR Magnetic Industrial Rail Thermometer 0°F to 160°F

PTC Instruments 313FRRMM 0-500*F Magnet Railroad Surface Thermometer

Magnetic Surface Thermometer, 0-150F (-20-65C), 2" Face, Fridge, Freezer, etc

Vintage PTC Instruments Model 578 F Surface Thermometer