Refine by:
-
▾ Subject
- Longitude (80)
- Chronomoters (70)
- Legislation (31)
- Marine navigation (10)
- ASTRONOMY (8)
- Geographical exploration (3)
- Time Measuring Instruments (3)
- Nautical instruments (2)
- Navigational aids (2)
- ANTHROPOLOGY (1)
- Geodesy (1)
- Latitude (1)
- MATHEMATICS (1)
- MEDICAL SCIENCES (1)
- Medicine (1)
- Tides (1)
- Winds (1)
-
▾ Date
- 1700s C.E. (15)
- 1800s C.E. (108)