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Flamsteed's 7-foot equatorial telescope.
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| Flamsteed's 7-foot equatorial telescope. |
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| © National Maritime Museum, London |
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| Repro ID: A5072 |
| Description: Flamsteed largely designed his 7-foot (2.1 m) equatorial telescope himself. The framework was made by Edward Sylvester of the Tower of London and the wheelwork and indices by the well-known clockmaker, Thomas Tompion. The instrument was so useful,that between 1676 and 1698 over 20,000 observations were made. This eventually caused its gears and indices to become worn and inaccurate. |
| Creator: Francis Place |
| Date: 1676 |
| Credit line: National Maritime Museum, London | |
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