Refine by:
-
▾ Subject
- Transit of Venus (15)
- scientific instruments (15)
- Marine navigation (10)
- ASTRONOMY (9)
- observatories (8)
- Nautical instruments (7)
- Transit of Venus 1874 (7)
- Work journal (7)
- Astronomical Observatories (6)
- equipment (6)
- provisioning (6)
- Colonial administration (5)
- Journal (4)
- Longitude (4)
- Horology (3)
- Navigational aids (2)
- Chronomoters (1)
- Expeditions (1)
- Geographical exploration (1)
- Magnetism (1)
-
▾ Date
- 1700s C.E. (13)
- 1800s C.E. (75)