About 2 results ()
Refine by:
-
▾ Collection
- Papers of Nevil Maskelyne (1)
- Papers of the Board of Longitude (1)
- Royal Greenwich Observatory Archives (2)
-
▾ Subject
- Geographical exploration (1)
- Horology (1)
- Longitude (1)
- Navigational aids (1)
- Time Measuring Instruments (1)
-
▾ Date
- 1700s C.E. (2)