Vintage Simpson Therm-O-Meter Model 388, used for measuring temperature

Vintage Alnor Type 4200 Portable Pyrometer

Vtg ALNOR PORTABLE PYROMETER TYPE 4200 ILLINOIS TESTING LABS Untested Wood Box

Vintage Alnor Pyrocon Pyrometer Thermometer

Alnor, cold junction temperature Pyrometer Type 1760

Vintage Fahrenheit Centigrade Sim-Ply-Trol Pyrometer Assembly Products Inc

Vintage Alnor Pyrocon Pyrometer Thermometer

Omega Engineering Pyrometer 8020 Single Unit In Original Case Antique