Refine by:
-
▾ Subject
- ASTRONOMY (46)
- Longitude (46)
- Nautical instruments (44)
- Geographical exploration (42)
- Marine navigation (42)
- Aids to navigation (40)
- Discoveries in geography (40)
- Maps (40)
- Navigation (40)
- Navigational aids (40)
- TRAVEL (40)
- Time Measuring Instruments (4)
- Navigation (science) (3)
- ANTHROPOLOGY (1)
- Chronomoters (1)
- Legislation (1)
- Magnetism (1)
- Ocean currents (1)
-
▾ Date
- 1700s C.E. (54)
- 1800s C.E. (4)