Refine by:
-
▾ Subject
- ANTHROPOLOGY (1)
- ASTRONOMY (5)
- Discoveries in geography (3)
- Geographical exploration (4)
- Horology (3)
- Legislation (2)
- Longitude (7)
- Marine navigation (5)
- Navigation (3)
- Time Measuring Instruments (3)
-
▾ Date
- 1700s C.E. (1)
- 1800s C.E. (9)