About 19 results ()
Refine by:
-
▾ Subject
- Longitude (10)
- ASTRONOMY (6)
- Horology (6)
- Marine navigation (6)
- Time Measuring Instruments (6)
- Astronomical Observatories (4)
- Colonial administration (4)
- Legislation (4)
- Nautical instruments (4)
- Magnetism (1)