Platinum rhodium thermocouple with one fireclay sheath, by Cambridge Instrument Company Limited, London, England, 1925-29. Platinum Rhodium Thermocouple, 1925-29 1925-1929
Iron eureka thermocouple, temperature sensor, by Robert W. Paul, London, England, 1910-12. Iron-Eureka Thermocouple, Temperature Sensor, 1910-1912 1910-1912
Bismuth-Antimony demonstration thermocouple, by Philip Harris Ltd. 1981 Bismuth-Antimony demonstration thermocouple 1981
Thermocouple, manufactured by Weston Elec Inst Corp, England, 1930 Weston Elec Inst Corp thermocouple 1930
Titan thermocouple, 24" long with fireclay sheaths Titan thermocouple, 24" long with fireclay sheaths 1900-1982