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Crookes Radiometer, 1876-1895

Crookes Radiometer, 1876-1895

1876-1895
Crookes Radiometer to Illustrate his research, 1872-1879

Crookes Radiometer to Illustrate his research, 1872-1879

1872-1879
Along Track Scanning Radiometer

Along Track Scanning Radiometer

1995
Crookes' radiometer

Crookes' radiometer

1877
Radiometer with aluminium vanes and movable screens of clear mica

Radiometer with aluminium vanes and movable screens of clear mica

1800-1899
Radio Wavemeter

Radio Wavemeter

1919
Radiometer Type SMG1 Stereo Generator

Radiometer Type SMG1 Stereo Generator

Radiometer for taking solar radiation measurements, used on 1953 Mount Everest expedition

Radiometer for taking solar radiation measurements, used on 1953 Mount Everest expedition

1952-3
Radiometer with sloping vanes

Radiometer with sloping vanes

1800-1899
Callendar's Original Radio Balance, 1905-1906

Callendar's Original Radio Balance, 1905-1906

1905-1906
Original Cup Radio-Balance by H. L. Callendar, 1910

Original Cup Radio-Balance by H. L. Callendar, 1910

1910
Callendar's Disc 'Radio-Balance', 1905-1920

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

1905 (invented); 1907-1920
Stratospheric and Mesospheric sounder experiment, 1976-78

Stratospheric and Mesospheric sounder experiment, 1976-78

1976-1978
Radiometer with aluminium vanes

Radiometer with aluminium vanes

1800-1899
Longwave radiometer

Longwave radiometer

1923
Radiometer with cup-shaped vanes

Radiometer with cup-shaped vanes

1800-1899
Eight vane radiometer, 1800-1899

Eight vane radiometer, 1800-1899

1800-1899
Meteostat Radiometer Development Model, 1975-77

Meteostat Radiometer Development Model, 1975-77

1975-1977
Holzknecht chromoradiometer, for measuring radiotherapeutic doses, probably German manufacture, 1905-1930.

Holzknecht chromoradiometer

1905
Folder originally containing test pastiles measuring X-radiation; English and French instructions, comparison tints; all pastilles used.

Sabouraud & Noire Radiometer X

Crookes-type radiometer with two circle-shaped vane and two half-moon shaped vanes contained in a spherical-shaped glass bulb. Mounted on circular wooden stand.

radiometer

Crookes-type radiometer with three silver coloured square-vanes. In Cylindrical-shaped glass bulb. Bulb also contains glass disc positioned above the vanes and a u-bend shaped glass tube that goes over the vanes. Mounted on square wooden stand.

radiometer

Nimbus 6 radiometer (engineering model) plus electronic test rack, Marconi, England, 1973-1975.

Nimbus 6, Pressure Modulation Radiometer, 1973-1975

1973-1975
Nimbus 4 Selective Chopper Radiometer (SCR), optics housing, plus electronics module (flight spare), 1968-1970, developed in partnership between Oxford University (Clarendon Laboratory) and the University of Reading, to measure atmospheric temperatures from space. The SCR measured infrared radiation emitted by carbon dioxide. The SCR was flown on the Nimbus 4 satellite as well as the Nimbus 5. It was the first instrument of its kind to provide global measurements of atmospheric temperature without interference from clouds. Nimbus 4 launched on 8 April 1970 by a Thor-Agena rocket from Vandenberg AIr Force Base in California, USA. The spacecraft operated until September 1980.

Nimbus 4 Selective Chopper Radiometer, optics housing plus electronics module (flight spare), 1968-1970

1968-1970
Crookes-type radiometer with two circle-shaped vanes contained in a spherical-shaped glass bulb. Mounted on circular dark wooden stand.

radiometer

Crookes-type radiometer with spiral-shaped vane contained in a cylindrical shaped glass bulb. Mounted on circular dark wooden stand.

radiometer

Crookes-type radiometer. Contains two vanes of a rectangular shape contained in a spherical-shaped glass bulb. Mounted on circular dark wooden stand which has a crack in it.

radiometer