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Disappearing filament pyrometer by the Cambridge Instrument Co. Ltd. England

Disappearing filament pyrometer by the Cambridge Instrument Co. Ltd. England

1948-1953
'Resilia' Electrical Temperature (Pyrometer) Indicator, 1924

'Resilia' Electrical Temperature (Pyrometer) Indicator, 1924

1924
Whipple Temperature Indicator, 1912-14

Whipple Temperature Indicator, 1912-14

1912-1914
Pivoted Electrical Temperature Indicator, 1925-29

Pivoted Electrical Temperature Indicator, 1925-29

1925-1929
Register pyrometer to John Frederic Daniell's 1830 design

Register pyrometer to John Frederic Daniell's 1830 design

1830
Pyrometer by Gallonde

Pyrometer by Gallonde

Pyrokolor optical pyrometer in cardboard case

Pyrokolor optical pyrometer in cardboard case

1925-1974
Wedge Optical Pyrometer

Wedge Optical Pyrometer

1900-1920
Steel Specimens showing Colours for Tempering, 1801-1900

Steel Specimens showing Colours for Tempering, 1801-1900

1800-1824
Thermo-Electric Thermocouple (Electrical Temperature Sensor), 1920-22

Thermo-Electric Thermocouple (Electrical Temperature Sensor), 1920-22

1920-1922
Fire Clay Temperature Indicator Cone, 1925-31

Fire Clay Temperature Indicator Cone, 1925-31

1925-1931
Fery radiation pyrometer outfit

Fery radiation pyrometer outfit

1900-1982
Copy of Hindley's pyrometer

Copy of Hindley's pyrometer

1700-1799
Callendar Electrical Temperature Indicator, 1894

Callendar Electrical Temperature Indicator, 1894

1894
Fire Clay Temperature Indicator Cone in Stand, 1925-31

Fire Clay Temperature Indicator Cone in Stand, 1925-31

1925-1931
Fire Clay Temperature Indicator Cone, 1925-31

Fire Clay Temperature Indicator Cone, 1925-31

1925-1931
Fire Clay Temperature Indicator Cone, 1925-31

Fire Clay Temperature Indicator Cone, 1925-31

1925-1931
Type E70 pyrometer

Type E70 pyrometer

1950-1979
Register Pyrometer with Case, 1830-1840

Register Pyrometer with Case, 1830-1840

1830-1840
Fire Clay Temperature Indicator Cone, 1925-31

Fire Clay Temperature Indicator Cone, 1925-31

1925-1931
Pyrometer tube, 12" long

Pyrometer tube, 12" long

Fire Clay Temperature Indicator Cone, 1925-31

Fire Clay Temperature Indicator Cone, 1925-31

1925-1931
Fire Clay Temperature Indicator Cone, 1925-31

Fire Clay Temperature Indicator Cone, 1925-31

1925-1931
Pivoted Coil Electrical Temperature Indicator, 1920-22

Pivoted Coil Electrical Temperature Indicator, 1920-22

1920-1922
Pyrometer tube, (silicon carbide)

Pyrometer tube, (silicon carbide)

Pyrometer tube, 22" long

Pyrometer tube, 22" long

Fire Clay Temperature Indicator Cone, 1925-31

Fire Clay Temperature Indicator Cone, 1925-31

1925-1931
Petrie Indicator Pyrometer, 1862

Petrie Indicator Pyrometer, 1862

Fire Clay Temperature Indicator Cone, 1925-31

Fire Clay Temperature Indicator Cone, 1925-31

1925-1931
Turbine blade pyrometer with sapphire lens

Turbine blade pyrometer with sapphire lens

1900-1982
Ceramic Temperature Indicator Cones and Stand, 1925-1931

Ceramic Temperature Indicator Cones and Stand, 1925-1931

1925-1931
Fire Clay Temperature Indicator Cone, 1925-31

Fire Clay Temperature Indicator Cone, 1925-31

1925-1931
Brass optical pyrometer from St.Georges Hospital

Brass optical pyrometer from St.Georges Hospital

1890-1930
Pyrometer for checking temperature of type metal

Pyrometer for checking temperature of type metal

Fire Clay Cone Temperature Indicator, 1928-1931

Fire Clay Cone Temperature Indicator, 1928-1931

1928-1931
Byström's Water Pyrometer, 1862-1884

Byström's Water Pyrometer, 1862-1884

1862-1884
Pyrometer in fitted cylindrical case, by Keiser & Schmidt, Charlottenburg, Berlin in Germany, 20th century.

Pyrometer in fitted cylindrical case

1901-1958
Optical pyrometer (disappearing wire); in leather, velvet lined box, with its cable. Manufactured by Foster Instrument Ltd. c.1940

Foster Instrument pyrometer

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
Optical pyrometer by London, England, patented by A. O. Cochrane, 1913-1930

Optical pyrometer by London

1913-1977
Platinum rhodium thermocouple with one fireclay sheath, by Cambridge Instrument Company Limited, London, England, 1925-29.

Platinum Rhodium Thermocouple, 1925-29

1925-1929
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
Ferguson "Pyrometer" with 3 metal rods. Made by W. Ladd

Ferguson "Pyrometer" with 3 metal rods

Optical wedge pyrometer, temperature indicator in case, by William H. Darker (junior), Paradise Street, Lambeth, London, 1846-1851

Optical wedge pyrometer

1846-1851
Wedgwood pyrometer with wooden case, by J.F. Newman, 122 Regent Street, London, 1827-1856.

Wedgwood pyrometer with wooden case

1827-1856
Thermo-electric Pyrometer, with enclosed terminals, c. 1922

Thermo-electric Pyrometer

Iron eureka thermocouple, temperature sensor, by Robert W. Paul, London, England, 1910-12.

Iron-Eureka Thermocouple, Temperature Sensor, 1910-1912

1910-1912
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
Copy of a Wedgwood pyrometer

Copy of a Wedgwood pyrometer

1700-1799
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