Summary
Daniell hygrometer, used at Melbourne Observatory.
Consists of 2 thermometers, one immersed in a volatile liquid which by evaporation, lowers temperature to dewpoint. The other thermometer is fixed to the stand & records temperature of uncooled air. Originally invented by English chemist and meteorologist John Frederic Daniell in 1820.
A hygrometer measures the amount of humidity in the atmosphere.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Transfer from Melbourne Observatory, 1945
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User
Melbourne Observatory, South Yarra, Greater Melbourne, Victoria, Australia
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
6.5 cm (Length), 12 cm (Width), 18.2 cm (Height)
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Keywords
