About 294 results ()
Refine by:
-
▾ Collection
- Darwin Manuscripts (103)
- Darwin-Hooker Letters (143)
- National Maritime Museum Manuscripts (2)
- National Maritime Museum Print Works (1)
- Papers of the Board of Longitude (35)
- Royal Greenwich Observatory Archives (38)
-
▾ Subject
- Longitude (14)
- ASTRONOMY (11)
- SCIENCE (7)
- Time Measuring Instruments (7)
- Navigational aids (6)
- Nautical instruments (5)
- Horology (4)
- Legislation (4)
- Magnetism (4)
- Marine navigation (4)
- Geodesy (3)
- Compasses (1)
- NATURAL SCIENCES (1)
- Natural history (1)
- Navigation (1)
- PUBLISHING (1)
-
▾ Date
- 1600s C.E. (1)
- 1700s C.E. (8)
- 1800s C.E. (173)