Unit thermocouple no.1 type WY2232
Thermo-Electric Thermocouple (Electrical Temperature Sensor), 1920-22
1920-1922
Thermocouple by Griffin & Tatlock Ltd, London.
1920-1970
Mock-up of Constantin-Manganin thermocouple
1945-1955
Platinum Rhodium Thermocouple, 1925-29
1925-1929
Iron-Eureka Thermocouple, Temperature Sensor, 1910-1912
1910-1912
Bismuth-Antimony demonstration thermocouple
1981
Titan thermocouple, 24" long with fireclay sheaths
1900-1982