Refine by:
-
▾ Subject
- ASTRONOMY (14)
- Geographical exploration (14)
- Longitude (14)
- Marine navigation (14)
- Nautical instruments (8)
- Navigational aids (8)
- Time Measuring Instruments (6)
- Magnetism (4)
- Navigation (science) (4)
- TRAVEL (3)
- Aids to navigation (1)
- Discoveries in geography (1)
- Horology (1)
- Maps (1)
- Navigation (1)
- Ocean currents (1)
- SCIENCE (1)
- photography (1)
- scientific instruments (1)
- telescopes (1)
- trains (1)
-
▾ Date
- 1700s C.E. (22)
- 1800s C.E. (1)