Cambridge Digital Library

• Keyword: unknown

Refine by:

1. ▸  Subject
   • Astronomy (14)
   • ASTRONOMY (13)
   • Marine navigation (12)
   • Longitude (11)
   • Geographical exploration (6)
   • Nautical instruments (6)
   • Navigational aids (5)
   • Time Measuring Instruments (3)
   • Horology (2)
   • Magnetism (2)
   • Meteorology (2)
   • Ocean currents (2)
   • TRAVEL (2)
   • Travel (2)
   • ANTHROPOLOGY (1)
   • Anthropology (1)
   • Astronomical Observatories (1)
   • Colonial administration (1)
   • Latitude (1)
   • Mathematics (1)
   • Navigation (science) (1)
   • SCIENCE (1)
   • Science (1)
2. ▸  Page has translation
   • No (24)
3. ▸  Place
   • Brockdish (1)
   • Cambridge (1)
   • Dublin (1)
   • London (1)
4. ▸  Languages
5. ▸  Date
   • 1600s C.E. (1)
   • 1700s C.E. (17)
   • 1800s C.E. (14)
   • 1900s C.E. (1)