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Rain Gauge - T. Gaunt, London & Melbourne, circa 1890s Object Reg. No: ST 022147

Summary:
Dial pattern rain gauge, made by Thomas Gaunt, Melbourne & London. Zinc funnel with square brass rim. Used at Melbourne Observatory.

Used to measure the amount of rainfall.
Description:
Outer case is zinc with glass front & setting hand. Dial is graduated in divisions of 0.01 in. to 1 in., with smaller dial to 12 in.

Mechanism consists of a copper bucket with open ends divided into 2 parts & pivoted about its central point. Bucket tilts when 0.01 in. rain has been collected. An escapement advances a toothed wheel & index hand moves over the dial at each step.
Acquisition Information:
Transfer from Melbourne Observatory, 1945
Discipline: Technology

More information

Tagged with: meteorological apparatus instruments, rain gauges, casala rain gauge
Themes this item is part of: Melbourne Observatory Collection, Science & Measurement Collection, Positional Astronomy at Melbourne Observatory, Weights & Measures at Melbourne Observatory, Melbourne Observatory & Standard Time in Victoria, Astrographic Catalogue, Transits of Venus, 1874 & 1882, Buildings at Melbourne Observatory, Star Observations & Personal Equation, Thomas Gaunt, Watchmaker & Jeweller (1829-1890), Meteorology at Melbourne Observatory, 1863-1908, Melbourne Observatory, 1863-1944, Geodetic Survey of Victoria, 1858-1872
Primary Classification: PHYSICAL SCIENCES
Secondary Classification: Meteorology
Tertiary Classification: rain gauges
Inscriptions: Brass rim marked "T. GAUNT & CO. LONDON & MELBOURNE".
Maker: T. Gaunt and Co., Melbourne, Victoria, Australia, circa 1890s
User: Melbourne Observatory, South Yarra, Victoria, Australia

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