Refine by:
-
▾ Subject
- Longitude (25)
- ASTRONOMY (24)
- Marine navigation (24)
- Geographical exploration (23)
- Horology (14)
- Navigational aids (6)
- Legislation (5)
- Discoveries in geography (4)
- Navigation (4)
- Aids to navigation (1)
- Latitude (1)
- Maps (1)
- Nautical instruments (1)
- PUBLISHING (1)
- TRAVEL (1)
- Tides (1)
- Winds (1)
-
▾ Date
- 1700s C.E. (5)
- 1800s C.E. (27)