Refine by:
-
▾ Collection
- Bateson Archive (2)
- Darwin Manuscripts (10)
- Darwin-Hooker Letters (4)
- National Maritime Museum Manuscripts (1)
- Papers of George Biddell Airy (1)
- Papers of John Pond (67)
- Papers of the Board of Longitude (14)
- Royal Commonwealth Society (1)
- Royal Greenwich Observatory Archives (84)
- Transit of Venus (1)
-
▾ Subject
- Marine navigation (73)
- Time Measuring Instruments (72)
- Longitude (23)
- ASTRONOMY (10)
- Latitude (6)
- Navigation (science) (5)
- Chronomoters (2)
- Army (1)
- Horology (1)
- Legislation (1)
- Magnetism (1)
- Nautical instruments (1)
- Navigational aids (1)
- Navy (1)
- Royal Marine Artillery (1)
- Tides (1)
- Winds (1)
- ethnography (1)
- hieroglyphics (1)
- military (1)
- portraits (1)
- topography (1)