Refine by:
-
▾ Collection
- Macclesfield Collection (1)
- National Maritime Museum Manuscripts (6)
- Newton Papers (1)
- Papers of the Board of Longitude (4)
- Royal Greenwich Observatory Archives (10)
-
▾ Subject
- ASTRONOMY (4)
- Marine navigation (4)
- Horology (3)
- Longitude (3)
- Astronomical Observatories (1)
- Compasses (1)
- Magnetism (1)
- Mathematics -- Early works to 1800 (1)
- Nautical instruments (1)
- Navigational aids (1)