Refine by:
-
▾ Subject
- ASTRONOMY (1)
- Horology (4)
- Journal (23)
- Longitude (11)
- Magnetism (1)
- Marine navigation (12)
- Time Measuring Instruments (34)
- Transit of Venus (24)
- equipment (1)
- observatories (23)
- provisioning (1)
- scientific instruments (24)
-
▾ Date
- 1800s C.E. (77)
- 1900s C.E. (1)