Cambridge Digital Library

Refine by:

1. ▸  Collection
   • Ghost Words (1)
   • Royal Greenwich Observatory Archives (8)
2. ▸  Subject
   • Longitude (7)
   • Time Measuring Instruments (5)
   • ASTRONOMY (4)
   • Astronomy (4)
   • Horology (4)
   • Marine navigation (2)
   • Nautical instruments (2)
   • Mathematics (1)
   • Navigation (science) (1)
   • SCIENCE (1)
   • Science (1)
3. ▸  Page has transcription
   • No (8)
4. ▸  Page has translation
   • No (8)
5. ▸  Languages