Russelveldt hair hygrometer, c. 1922.

Made:: 1922 in Norway

Details

Category:: Meteorology

Object Number:: 1922-9

Materials:: brass and thread

Measurements:: overall: 23.3 x 12.5 cm

type:: hygrometer

credit:: Meteorological Office

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Parts

Russelveldt hair hygrometer, c. 1922.

Measurements:: overall: 23.3 mm x 12.5 mm

Materials:: brass (copper, zinc alloy) and hair (human)

Object Number:: 1922-9/1

type:: hygrometer

Envelope of hairs, for Russelveldt hair hygrometer, c. 1922.

Envelope of hair for Russelveldt hair hygrometer, c. 1922.

Envelope of hairs, for Russelveldt hair hygrometer, c. 1922.

Object Number:: 1922-9/2

type:: hair

Russelveldt hair hygrometer, c. 1922.

Details

Parts

Russelveldt hair hygrometer, c. 1922.

Envelope of hair for Russelveldt hair hygrometer, c. 1922.

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