Refine by:
-
▾ Subject
- ASTRONOMY (336)
- Longitude (326)
- Marine navigation (264)
- Nautical instruments (170)
- Time Measuring Instruments (157)
- Astronomical Observatories (77)
- Colonial administration (77)
- Latitude (64)
- Horology (48)
- Tides (46)
- Navigation (science) (42)
- Winds (39)
- SCIENCE (37)
- Magnetism (32)
- Geographical exploration (28)
- Legislation (21)
- Navigational aids (17)
- Ocean currents (10)
- Jupiter (Planet) (8)
- Geodesy (4)
- Discoveries in geography (3)
- Navigation (3)
- PUBLISHING (2)
- Compasses (1)
-
▾ Date
- 1600s C.E. (1)
- 1700s C.E. (28)
- 1800s C.E. (476)