Refine by:
-
▾ Subject
- Longitude (280)
- ASTRONOMY (255)
- Transit of Venus (253)
- scientific instruments (247)
- Marine navigation (228)
- Time Measuring Instruments (156)
- observatories (147)
- Nautical instruments (101)
- Geographical exploration (73)
- Journal (56)
- Horology (50)
- Magnetism (42)
- Navigational aids (38)
- Transit of Venus 1874 (34)
- Work journal (34)
- Navigation (science) (29)
- Astronomical Observatories (19)
- Colonial administration (19)
- ANTHROPOLOGY (13)
- Chronomoters (13)
- Legislation (12)
- photography (12)
- Discoveries in geography (11)
- Navigation (11)
- Tides (11)
- Jupiter (Planet) (10)
- Latitude (8)
- Ocean currents (8)
- PUBLISHING (8)
- telescopes (8)
-
▾ Date
- 1600s C.E. (1)
- 1700s C.E. (208)
- 1800s C.E. (635)
- 1900s C.E. (1)