Refine by:
-
▾ Subject
- Legislation (207)
- ASTRONOMY (129)
- Marine navigation (115)
- Longitude (88)
- Nautical instruments (56)
- Transit of Venus (49)
- scientific instruments (48)
- Astronomical Observatories (43)
- Colonial administration (42)
- observatories (35)
- Geographical exploration (34)
- Time Measuring Instruments (25)
- Navigational aids (21)
- ANTHROPOLOGY (20)
- Transit of Venus 1874 (15)
- Work journal (15)
- Horology (12)
- Journal (11)
- MATHEMATICS (9)
- MEDICAL SCIENCES (9)
- Medicine (9)
- Navigation (6)
- TRAVEL (6)
- Discoveries in geography (5)
- Magnetism (4)
- SCIENCE (4)
- Aids to navigation (3)
- Chronomoters (3)
- Maps (3)
- PUBLISHING (3)
-
▾ Date
- 1600s C.E. (1)
- 1700s C.E. (464)
- 1800s C.E. (394)
- 1900s C.E. (1)