Refine by:
-
▾ Subject
- Longitude (3)
- Marine navigation (3)
- Nautical instruments (3)
- ASTRONOMY (2)
- Astronomical Observatories (1)
- Colonial administration (1)
- Geographical exploration (1)
- Horology (1)
- Magnetism (1)
- Navigational aids (1)
- Ocean currents (1)
- TRAVEL (1)
- Time Measuring Instruments (1)
-
▾ Date
- 1700s C.E. (3)
- 1800s C.E. (1)