Cambridge Digital Library

Refine by:

1. ▸  Collection
   • Darwin Manuscripts (53)
   • Royal Greenwich Observatory Archives (5)
   • Sterne and Sterneana (1)
2. ▸  Subject
   • ASTRONOMY (5)
   • Astronomy (5)
   • Longitude (5)
   • Marine navigation (4)
   • Time Measuring Instruments (3)
   • Magnetism (1)
   • Nautical instruments (1)
3. ▸  Page has transcription
   • No (12)
   • Yes (47)
4. ▸  Page has translation
   • No (59)
5. ▸  Languages
   • English (1)
6. ▸  Date
   • 1700s C.E. (3)
   • 1800s C.E. (55)