Refine by:
-
▾ Subject
- Time Measuring Instruments (120)
- Longitude (90)
- Horology (67)
- Marine navigation (51)
- ASTRONOMY (28)
- Geographical exploration (24)
- Navigational aids (10)
- Navigation (5)
- Discoveries in geography (4)
- Legislation (4)
- ANTHROPOLOGY (3)
- TRAVEL (2)
- Commerce (1)
- MATHEMATICS (1)
- MEDICAL SCIENCES (1)
- Medicine (1)
- TRADE (1)
-
▾ Date
- 1700s C.E. (47)
- 1800s C.E. (112)