Refine by:
-
▾ Subject
- Legislation (364)
- Longitude (275)
- Chronomoters (204)
- ASTRONOMY (10)
- Time Measuring Instruments (6)
- Nautical instruments (5)
- Marine navigation (4)
- Astronomical Observatories (2)
- Horology (2)
- Navigational aids (2)
- PUBLISHING (2)
- ANTHROPOLOGY (1)
- Colonial administration (1)
- Geographical exploration (1)
- Ocean currents (1)
- Tides (1)
-
▾ Date
- 1700s C.E. (657)
- 1800s C.E. (633)