Cambridge Digital Library

Refine by:

1. ▾ Collection
   • Longitude Essays (1)
   • Papers of Nevil Maskelyne (1)
   • Papers of the Board of Longitude (2)
   • Royal Greenwich Observatory Archives (4)
2. ▾ Subject
   • Astronomy (2)
   • Astronomical Observatories (1)
   • Colonial administration (1)
   • Legislation (1)
   • Marine navigation (1)
   • Nautical instruments (1)
3. ▾ Date
   • 1700s C.E. (2)
   • 1800s C.E. (3)