Refine by:
-
▾ Subject
- Transit of Venus (14)
- scientific instruments (14)
- Transit of Venus 1874 (7)
- Work journal (7)
- observatories (7)
- equipment (6)
- provisioning (6)
- Journal (3)
- Expeditions (1)
-
▾ Date
- 1800s C.E. (23)