Refine by:
-
▾ Subject
- Marine navigation (52)
- Nautical instruments (52)
- ASTRONOMY (50)
- Astronomical Observatories (44)
- Colonial administration (44)
- Longitude (13)
- Legislation (5)
- Geodesy (2)
- Time Measuring Instruments (2)
-
▾ Date
- 1700s C.E. (3)
- 1800s C.E. (61)