About 17 results ()
Refine by:
-
▾ Subject
- ASTRONOMY (15)
- Longitude (13)
- Nautical instruments (9)
- Marine navigation (8)
- Time Measuring Instruments (5)
- Magnetism (4)
- Astronomical Observatories (3)
- Colonial administration (3)
- Navigational aids (3)
- Geodesy (1)
- Jupiter (Planet) (1)
- Legislation (1)