Refine by:
-
▾ Subject
- Longitude (45)
- Time Measuring Instruments (29)
- Horology (24)
- ASTRONOMY (17)
- Marine navigation (17)
- Geographical exploration (12)
- Nautical instruments (7)
- ANTHROPOLOGY (5)
- Magnetism (5)
- Tides (3)
- Latitude (2)
- Navigation (science) (2)
- Winds (2)
- Jupiter (Planet) (1)
- Navigational aids (1)
-
▾ Date
- 1700s C.E. (16)
- 1800s C.E. (36)