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Hygrometer - J. Grimoldi, Melbourne
Reg. No: ST 022143
- Summary:
- Wet & dry bulb hygrometer. Range 20-150 deg. F, made or distributed by J. Grimoldi, Melbourne. Used at Melbourne Observatory.
A hygrometer measures the amount of humidity in the atmosphere. - Description:
- Tubes 9 in. (22.9 cm.) long, bulb of normal glass & English lead capillary fitted on a nickel plated brass scale plate mounted on a board. Glass water reservoir with bronzed brass bracket.
- Acquisition Information:
- Transfer from Melbourne Observatory, 1945
| Discipline: | Technology |
| Dimensions: | 45.5 cm (Height), 7.5 cm (Width), 13 cm (Length) |
| Dimension Comment: | Dimensions of object on backing/display board. |
More information
| Tagged with: | hygrometers, meteorological apparatus instruments |
| 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, 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: | hygrometers |
| Inscriptions: | Board marked "GRIMOLDI, MELBOURNE". |
| Maker: | John B. Grimoldi, Melbourne, Victoria, Australia |
| User: | Melbourne Observatory, South Yarra, Victoria, Australia |
Themes
This item is part of the following themes:
- 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
- Meteorology at Melbourne Observatory, 1863-1908
- Melbourne Observatory, 1863-1944
- Geodetic Survey of Victoria, 1858-1872
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