Refine by:
-
▾ Subject
- ASTRONOMY (35)
- Marine navigation (35)
- Nautical instruments (21)
- Astronomical Observatories (19)
- Colonial administration (19)
- Longitude (18)
- Geographical exploration (15)
- Legislation (12)
- Discoveries in geography (10)
- Navigation (10)
- Navigational aids (6)
- TRAVEL (4)
- ACADEMIC STANDARDS (1)
- Horology (1)
- Latitude (1)
- Tides (1)
- Winds (1)
-
▾ Date
- 1700s C.E. (21)
- 1800s C.E. (33)