Refine by:
-
▾ Subject
- ASTRONOMY (9)
- Horology (1)
- Latitude (4)
- Legislation (2)
- Longitude (15)
- MATHEMATICS (1)
- MEDICAL SCIENCES (1)
- Marine navigation (10)
- Medicine (1)
- Nautical instruments (4)
- Navigation (science) (3)
- Navigational aids (3)
- Ocean currents (1)
- Tides (4)
- Time Measuring Instruments (6)
- Transit of Venus (2)
- Winds (4)
- observatories (1)
- photography (1)
- scientific instruments (3)
- telescopes (1)
- trains (1)
-
▾ Date
- 1700s C.E. (21)
- 1800s C.E. (14)