Refine by:
-
▾ Subject
- Longitude (1230)
- ASTRONOMY (1113)
- Marine navigation (762)
- Time Measuring Instruments (688)
- Nautical instruments (551)
- Magnetism (225)
- Horology (185)
- Geographical exploration (146)
- Astronomical Observatories (131)
- Colonial administration (131)
- Navigation (science) (128)
- Latitude (94)
- Tides (83)
- Navigation (70)
- Navigational aids (70)
- SCIENCE (68)
- Jupiter (Planet) (64)
- Ocean currents (60)
- Winds (55)
- Discoveries in geography (27)
- Compasses (21)
- TRAVEL (17)
- Legislation (15)
- Chronomoters (9)
- MATHEMATICS (9)
- MEDICAL SCIENCES (9)
- Medicine (9)
- ANTHROPOLOGY (4)
- scientific instruments (4)
- Aids to navigation (3)
-
▾ Date
- 1700s C.E. (456)
- 1800s C.E. (1509)