About 23 results ()
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▾ Collection
- National Maritime Museum Manuscripts (18)
- Papers of the Board of Longitude (5)
- Royal Greenwich Observatory Archives (23)
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▾ Subject
- Marine navigation (16)
- ASTRONOMY (12)
- Longitude (9)
- Geographical exploration (6)
- Horology (6)
- Discoveries in geography (3)
- Navigation (3)
- Magnetism (2)
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- NATURAL SCIENCES (2)
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▾ Date
- 1700s C.E. (1)
- 1800s C.E. (22)