Refine by:
-
▾ Subject
- Longitude (24)
- Chronomoters (18)
- Legislation (5)
- ASTRONOMY (4)
- Marine navigation (2)
- Nautical instruments (1)
- Ocean currents (1)
- Time Measuring Instruments (1)
-
▾ Date
- 1700s C.E. (4)
- 1800s C.E. (28)