About 18 results ()
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▾ Collection
- National Maritime Museum Manuscripts (6)
- Papers of the Board of Longitude (12)
- Royal Greenwich Observatory Archives (18)
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▾ Subject
- ASTRONOMY (5)
- Horology (4)
- Marine navigation (4)
- Longitude (3)
- Navigational aids (3)
- Time Measuring Instruments (2)
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▾ Date
- 1700s C.E. (18)