Scientific Instrument, Hygrometer

Historical information

Probably used at the Ballarat School of Mines. It indicates the percentage of relative humidity .

Physical description

A circular dial with non-linear graduations and centre-pivot pointer. it is mounted in a brass case, with rear mounting flange. The markings on the Hygrometer at Very Dry, Dry, Normal, Moist. It has a crescent moon dial indicator

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