Refine by:
-
▾ Subject
- ASTRONOMY (83)
- Marine navigation (81)
- Longitude (60)
- MATHEMATICS (53)
- MEDICAL SCIENCES (53)
- Medicine (53)
- Legislation (42)
- Time Measuring Instruments (36)
- Horology (30)
- Geographical exploration (18)
- Nautical instruments (13)
- Magnetism (7)
- ANTHROPOLOGY (6)
- Navigational aids (5)
- Tides (3)
- Jupiter (Planet) (2)
- Latitude (2)
- Navigation (2)
- Navigation (science) (2)
- Winds (2)
- Astronomical Observatories (1)
- Compasses (1)
- Discoveries in geography (1)
- SCIENCE (1)
- TRAVEL (1)
-
▾ Date
- 1700s C.E. (76)
- 1800s C.E. (104)