Refine by:
-
▾ Subject
- Longitude (1221)
- ASTRONOMY (1094)
- Marine navigation (736)
- Nautical instruments (551)
- Time Measuring Instruments (536)
- Magnetism (224)
- Horology (169)
- Geographical exploration (139)
- Astronomical Observatories (131)
- Colonial administration (131)
- Navigation (science) (128)
- Latitude (94)
- Tides (83)
- SCIENCE (68)
- Navigational aids (67)
- Jupiter (Planet) (64)
- Ocean currents (60)
- Winds (55)
- Discoveries in geography (27)
- Navigation (27)
- Compasses (21)
- TRAVEL (17)
- Legislation (15)
- Chronomoters (9)
- ANTHROPOLOGY (4)
- Aids to navigation (3)
- Maps (3)
- PUBLISHING (2)
- Geodesy (1)
-
▾ Date
- 1700s C.E. (401)
- 1800s C.E. (1201)