Refine by:
-
▾ Subject
- Longitude (56)
- ASTRONOMY (42)
- Chronomoters (37)
- Marine navigation (36)
- Nautical instruments (24)
- Astronomical Observatories (15)
- Colonial administration (15)
- Geographical exploration (15)
- ANTHROPOLOGY (8)
- Legislation (7)
- Time Measuring Instruments (5)
- Navigational aids (4)
- Jupiter (Planet) (3)
- SCIENCE (3)
- Magnetism (2)
- Navigation (science) (2)
- TRAVEL (2)
- Aids to navigation (1)
- Discoveries in geography (1)
- Horology (1)
- Maps (1)
- Navigation (1)
-
▾ Date
- 1700s C.E. (77)
- 1800s C.E. (52)