About 175 results ()
Refine by:
-
▾ Subject
- ASTRONOMY (28)
- Marine navigation (19)
- Longitude (16)
- Navigational aids (10)
- MATHEMATICS (8)
- MEDICAL SCIENCES (8)
- Medicine (8)
- Nautical instruments (8)
- Time Measuring Instruments (6)
- Geographical exploration (5)
- PUBLISHING (3)
- Astronomical Observatories (2)
- Horology (2)
- TRAVEL (2)
- Aids to navigation (1)
- Colonial administration (1)
- Discoveries in geography (1)
- Magnetism (1)
- Maps (1)
- Navigation (1)
- SCIENCE (1)