Electric hygrometer element in sealed glass tube

Electric hygrometer element in sealed glass tube

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Electric hygrometer element in sealed glass tube
Science Museum Group
© The Board of Trustees of the Science Museum

Electric hygrometer element in sealed glass tube, by Friez Instrument Division, Bendix Aviation Corporation, Baltimore, Maryland. Patent 2,064,651, dated April 25, 1944

Details

Category:
Meteorology
Object Number:
1995-910
Materials:
glass
Measurements:
tube: 13 x 2.1 cm
type:
hygrometer
credit:
Meteorological Office, Berkshire