Iron eureka thermocouple, temperature sensor, by Robert W. Paul, London, England, 1910-12. Iron-Eureka Thermocouple, Temperature Sensor, 1910-1912 1910-1912
Platinum rhodium thermocouple with one fireclay sheath, by Cambridge Instrument Company Limited, London, England, 1925-29. Platinum Rhodium Thermocouple, 1925-29 1925-1929
Gas filled pyrometer standard No. 285, calibrated at the National Physical Laboratory (a specially designed lamp with a metal filament, in a wooden case, probable date 1951. Gas filled pyrometer standard No. 285 circa 1951
Stereo-pyrometer (optical temperature indicator), made by W. & J. George Ltd., London & Birmingham, 1906-1925. Stereo Pyrometer (Temperature Indicator),1906-1925 1906-1925
Platinum electrical resistance thermometer (pyrometer), laboratory pattern, with porcelain tube and fitted with glass tube, by The Cambridge Scientific Instrument Company Limited, Cambridge, England, 1910-14. Platinum Electrical Resistance Thermometer, 1910-14 1910-1914
Unipivot pattern electrical temperature (pyrometer) indicator by Robert W. Paul, London, 1910-12. Range 0-900°C. Serial No. 0568. Electrical Temperature Indicator, 1910-1912 1910-1912
Pivoted coil electrical temperature indicator with wall bracket, by The Cambridge Scientific Instrument Company Limited, London and Cambridge, England, 1910-1914. Temperature range 0-1000°C, Serial No. 18603 (see note). Pivoted Coil Electrical Temperature Indicator, 1910-14 1910-1914
Pyrometer in fitted cylindrical case, by Keiser & Schmidt, Charlottenburg, Berlin in Germany, 20th century. Pyrometer in fitted cylindrical case 1901-1958
Cambridge optical pyrometer (polarizing type) No. 14188, with amyl acetate lamp for standardising, in mahogany box, by The Cambridge Scientific Instrument Co. Ltd., England. Another mahogany box containing galvanometer No. 69140 and a variable slide resistance(5.9 ms) Cambridge optical pyrometer (polarizing type) with amyl acetate lamp,in box. Also a boxed galvanometer and a variable slide resistance
Fery absorption pyrometer, inscribed "Pyrometre Optique de M. Fery No. 59"; temperature range 800 deg C to 5800 deg C (mirror is missing) Fery absorption pyrometer 1900-1982
Heathcote's extinction pyrometer (or pyromike) No. 122, made by W. & J. George Ltd., Birmingham, 20th century. Heathcote's extinction pyrometer (or pyromike) No. 122 1901-1958
I-Rite optical pyrometer, made by the Gibb Instrument Co., Pittsburgh, Pennsylvania, United States, 20th century. I-Rite optical pyrometer 1900-1939
Fery radiation pyrometer outfit; Fery telescope with tripod stand, by The Cambridge Scientific Instrument Company Limited, Cambridge, England, c.1914. Fery radiation pyrometer outfit; Fery telescope with tripod stand 1910-1914
Sectioned water pyrometer with thermometer scale centigrade iron, with case, by Siemens Brothers & Co. Limited, London, 1905 Sectioned water pyrometer with scale and case 1905
Hobson's hot-blast pyrometer with thermometer in tin case, by J. Casartelli and Son, Manchester, 1895-1897. Hobson's hot-blast pyrometer with thermometer in tin case 1895-1897