About 63 results ()
Refine by:
-
▾ Collection
- Darwin Manuscripts (1)
- Darwin-Hooker Letters (12)
- National Maritime Museum Manuscripts (1)
- Papers of Nevil Maskelyne (1)
- Papers of the Board of Longitude (48)
- Royal Greenwich Observatory Archives (50)
-
▾ Subject
- Marine navigation (44)
- ASTRONOMY (43)
- Geographical exploration (42)
- Longitude (30)
- Discoveries in geography (29)
- Navigation (29)
- TRAVEL (14)
- Horology (6)
- Navigational aids (5)
- Time Measuring Instruments (4)
- Latitude (2)
- Legislation (2)
- Tides (2)
- Winds (2)
- Magnetism (1)
-
▾ Date
- 1700s C.E. (9)
- 1800s C.E. (54)