About 188 results ()
Refine by:
-
▾ Collection
- Darwin Manuscripts (165)
- Darwin-Hooker Letters (12)
- Lines of Thought (2)
- Papers of George Biddell Airy (5)
- Papers of John Pond (2)
- Papers of the Board of Longitude (4)
- Royal Greenwich Observatory Archives (11)
- Treasures of the Library (4)
-
▾ Subject
- Longitude (4)
- Marine navigation (4)
- Time Measuring Instruments (4)
- Geodesy (2)
- Nautical instruments (2)
-
▾ Date
- 1700s C.E. (1)
- 1800s C.E. (51)