Refine by:
-
▾ Subject
- Longitude (120)
- Time Measuring Instruments (80)
- ASTRONOMY (68)
- Nautical instruments (59)
- Ocean currents (39)
- Marine navigation (36)
- Legislation (34)
- Horology (22)
- Navigational aids (20)
- Geographical exploration (13)
- Astronomical Observatories (9)
- Colonial administration (9)
- Magnetism (8)
- SCIENCE (8)
- Latitude (7)
- Navigation (science) (7)
- PUBLISHING (5)
- Discoveries in geography (4)
- Geodesy (4)
- Navigation (4)
- Compasses (2)
- Tides (2)
- Winds (2)
- ANTHROPOLOGY (1)
- TRAVEL (1)
-
▾ Date
- 1600s C.E. (1)
- 1700s C.E. (72)
- 1800s C.E. (162)