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Zenith sector
Plumb bob weight from zenith sector telescope which was constructed by George Graham in 1727 for Bradley's personal use in studying the parallax of the star Gamma Draconis following work he had begun on the detection of parallax at Kew with Samuel Molyneux.
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Object Details
| ID: | AST0992.1 |
|---|---|
| Type: | Telescope |
| Display location: | Display - ROG |
| Creator: | Graham, George |
| Date made: | 1727 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 58 mm; Diameter: 40 mm |
| Parts: |
Zenith sector (Telescope)
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