Twenty four electrical radiometers illustrating Sir W.Crookes' research on electrical discharges in a vacuum Electricity and Magnetism 1879-1888
Wehnelt radiometer, for use in diagnostic work, used with a fluorescent screen Radiomedicine 1909-1925
Radiometer on stand; etched on glass "No 1277 iron and gold, Oct. 1977" (broken) Radiometer on stand; etched on glass "No 1277 iron Heat 1800-1899
Automatic Titrator by Radiometer (Denmark) model TTTIB with recorder and control unit, 1960 Automatic Titrator by Radiometer (Denmark) model T Experimental Chemistry
Radiometer with small transparent circular vanes and silvered reflector Radiometer with small transparent circular vanes a Heat 1800-1899
Radiometer titrator, Copenhagen, 1969 Radiometer titrator, Copenhagen, 1969 Experimental Chemistry 1969
Radiometer with rectangular cane and pith vanes. Phil trans. vol. 166. part 2 Radiometer with rectangular cane and pith vanes. P Heat 1800-1899
Radiometer with circular metallic vanes and blue glass supporting standard Radiometer with circular metallic vanes and blue g Heat 1800-1899
Solomon's ionoquantimeter, for measuring radiotherapy doses, by Ropiquet, Hazart and Roycourt, Avenue d'Orleans 71, Paris, France, 1910-1930. Solomon's ionoquantimeter, for measuring radiother Radiomedicine 1910-1930
Crookes radiometer with four diamond-shaped vanes Crookes radiometer with four diamond-shaped vanes Heat 1965-1979
Radiometer on stand with two mica discs (one loose) and two brass arms Radiometer on stand with two mica discs (one loose Heat 1800-1899
Radiometer between two mica discs, lower disc blackened Radiometer between two mica discs, lower disc blac Heat 1800-1899
Radiometer with pentagonal pith vanes on stand, c. 1876 Radiometer with pentagonal pith vanes on stand, c. Heat 1876
Lovibond chromoradiometer for the estimation of X-ray dosage in radiotherapy using Sabourand-Noire pastilles, by The Tintometer Ltd., Salisbury, England, 1915-1939 Lovibond chromoradiometer for the estimation of X- Radiomedicine 1915-1939
Crooke's Radiometer (dated 1877), signed IRON & PLATINUM OCT 1877: one of the original radiometers by Sir William Crookes Crooke's Radiometer (dated 1877), signed IRON & PL Heat 1877