The centre of the instrument carries a hygrometer of the absorption type.

A spirit type thermometer on the left is graduated with a scale upwards and downwards from the 'termperate air' temperature. A cistern barometer is on the right of the instrument.


Science Museum

Exhibition Road, London, Greater London, SW7 2DD
020 7942 4000
Website

Opening times

Daily, 10am – 6pm (last entry 5.15pm)
Closed 24 – 26 Dec

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