Radiometer used to illustrate Sir W

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Radiometer used to illustrate Sir W
Science Museum Group
© The Board of Trustees of the Science Museum

Radiometer used to illustrate Sir W. Crookes' researches on the radiation of heat in high vacua: otheoscope (an instrument in which the driving surface is not the glass of the bulb but a disc within the instrument which becomes heated), 1878

Details

Category:
Heat
Object Number:
1888-166/40
Materials:
glass, mica, aluminium (metal) and metal (unknown)
Measurements:
tube: 195 mm x x , 67 mm, .04kg
type:
radiometer (crookes' type) and laboratory equipment (physics)
credit:
Sir William Crookes