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Galvanometer - Thomson Astatic Differential, Elliott Bros, London
Reg. No: ST 022126
- Summary:
- Thomson astatic differential galvanometer, by Elliott Bros, London. Used at Melbourne Observatory.
A galvanometer measures electric currents. - Description:
- Used by throwing a beam of light from a lamp on to the mirror fixed to the suspended magnetic needle which is reflected back on to a graduated scale.
- Acquisition Information:
- Transfer from Melbourne Observatory, 1945
| Discipline: | Technology |
| Dimensions: | 30 cm (Height), 25 cm (Diameter) |
More information
| Tagged with: | electric apparatus instruments, electrical equipment, galvanometers |
| 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: | Electromagnetism |
| Tertiary Classification: | measuring equipment |
| Inscriptions: | Marked : 'ELIOTT BROS, LONDON' |
| Maker: | Elliott Bros, London, Middlesex, England, Great Britain |
| 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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