Refine by:
-
▾ Subject
- Marine navigation (9)
- Longitude (7)
- ASTRONOMY (4)
- Latitude (4)
- Tides (4)
- Winds (4)
- Geographical exploration (3)
- Nautical instruments (3)
- Time Measuring Instruments (2)
- ANTHROPOLOGY (1)
- Aids to navigation (1)
- Astronomical Observatories (1)
- Colonial administration (1)
- Discoveries in geography (1)
- Geodesy (1)
- Maps (1)
- Navigation (1)
- Navigational aids (1)
- TRAVEL (1)
-
▾ Date
- 1700s C.E. (12)
- 1800s C.E. (1)