Cambridge Digital Library

• Location: Cape Town

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1. ▾ Collection
   • Papers of the Board of Longitude (83)
   • Royal Greenwich Observatory Archives (83)
2. ▾ Subject
   • Astronomy (83)
   • Marine navigation (82)
   • Nautical instruments (80)
   • Astronomical Observatories (71)
   • Colonial administration (71)
   • Longitude (12)
   • Geographical exploration (6)
   • Navigational aids (6)
   • Travel (5)
   • Mathematics (3)
   • Horology (2)
   • Aids to navigation (1)
   • Discoveries in geography (1)
   • Maps (1)
   • Navigation (1)
3. ▾ Date
   • 1700s C.E. (9)
   • 1800s C.E. (75)