Refine by:
-
▾ Subject
- Longitude (175)
- ASTRONOMY (161)
- Marine navigation (133)
- Geographical exploration (89)
- Nautical instruments (81)
- Navigational aids (71)
- Time Measuring Instruments (52)
- Horology (45)
- TRAVEL (43)
- Discoveries in geography (19)
- Navigation (19)
- Aids to navigation (16)
- Maps (16)
- Magnetism (15)
- Navigation (science) (12)
- ANTHROPOLOGY (8)
- Astronomical Observatories (8)
- Legislation (8)
- Colonial administration (7)
- Latitude (6)
- SCIENCE (6)
- Tides (4)
- Chronomoters (3)
- Ocean currents (3)
- Winds (2)
- Geodesy (1)
- Jupiter (Planet) (1)
- PUBLISHING (1)
- Surveying (1)
-
▾ Date
- 1600s C.E. (1)
- 1700s C.E. (179)
- 1800s C.E. (105)