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Crookes Radiometer to Illustrate his research, 1872-1879

Heat

1872-1879

Along Track Scanning Radiometer

Space Technology

1995

Radiometer with aluminium vanes

Heat

1800-1899

Eight vane radiometer, 1800-1899

Heat

1800-1899

Nimbus 6, Pressure Modulation Radiometer, 1973-1975

Space Technology

1973-1975

Radio Wavemeter

Radio Communication

1919

Radiometer for taking solar radiation measurements

Laboratory Medicine

1952-3

Radiometer with cup-shaped vanes

Heat

1800-1899

Holzknecht chromoradiometer, for measuring radiotherapeutic doses, probably German manufacture, 1905-1930.

Holzknecht chromoradiometer

Radiomedicine

1905

Radiometer on stand; etched on glass "No 1327 Dec. 1877 Ag. Vanes"

Crookes' radiometer

Heat

1877

Original radio balance with equatorial mounting, devised by Hugh Longbourne Callendar, London, England, 1905-1906.

Callendar's Original Radio Balance, 1905-1906

Heat

1905-1906

Meteosat radiometer development model, with stand, European, 1975-1977.

Meteostat Radiometer Development Model, 1975-77

Space Technology

1975-1977

Folder originally containing test pastiles measuring X-radiation; English and French instructions, comparison tints; all pastilles used.

Sabouraud & Noire Radiometer X

Photographic Technology

Original radio balance (laboratory pattern) devised by H. L. Callendar in 1905 and used at the Royal College of Science, Physics Laboratory.

Callendar's Disc 'Radio-Balance', 1905-1920

Heat

1905 (invented); 1907-1920

Longwave radiometer, possibly by W H Dines - displayed at Wembley 1924

Longwave radiometer, possibly by W H Dines - displ

Meteorology

1923

Stratospheric and mesospheric sounder experiment (radiometer) from Nimbus 7, launch date October 1978, engineering model. Made by Elliott, Surrey, England, 1976-78

Stratospheric and Mesospheric sounder experiment, 1976-78

Space Technology

1976-1978