Refine by:
-
▾ Collection
- Darwin Manuscripts (11)
- Darwin-Hooker Letters (28)
- National Maritime Museum Manuscripts (9)
- Papers of George Biddell Airy (5)
- Papers of John Pond (307)
- Papers of Nevil Maskelyne (1)
- Papers of the Board of Longitude (341)
- Royal Commonwealth Society (7)
- Royal Commonwealth Society 150 (1)
- Royal Greenwich Observatory Archives (675)
- Transit of Venus (12)
- Waterloo (1)
-
▾ Subject
- Marine navigation (445)
- Time Measuring Instruments (393)
- Longitude (261)
- ASTRONOMY (173)
- Legislation (83)
- Nautical instruments (76)
- Latitude (36)
- Navigation (science) (23)
- Tides (20)
- Horology (18)
- Magnetism (17)
- Winds (16)
- SCIENCE (14)
- Ocean currents (12)
- Geographical exploration (11)
- Navigational aids (11)
- Chronomoters (9)
- Transit of Venus (9)
- observatories (8)
- scientific instruments (6)
- photography (5)
- astronomical instruments (4)
- Astronomical Observatories (2)
- Colonial administration (2)
- Jupiter (Planet) (2)
- Science--History--19th century (2)
- Army (1)
- Commerce (1)
- Compasses (1)
- Discoveries in geography (1)