Refine by:
-
▾ Subject
- Transit of Venus (191)
- observatories (175)
- scientific instruments (164)
- Journal (58)
- Transit of Venus 1874 (43)
- Work journal (43)
- photography (37)
- astronomical instruments (32)
- equipment (16)
- provisioning (16)
- Expeditions (5)
- telescopes (5)
- trains (3)
- Army (1)
- Navy (1)
- Royal Marine Artillery (1)
- ethnography (1)
- hieroglyphics (1)
- military (1)
- portraits (1)
- topography (1)