About 20 results ()
Refine by:
-
▾ Collection
- National Maritime Museum Manuscripts (16)
- Papers of the Board of Longitude (4)
- Royal Greenwich Observatory Archives (20)
-
▾ Subject
- ASTRONOMY (4)
- Longitude (4)
- Marine navigation (3)
- Nautical instruments (1)
- Navigation (science) (1)
- Time Measuring Instruments (1)
-
▾ Date
- 1700s C.E. (6)
- 1800s C.E. (14)