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Cambridge Digital Library

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About 108 results ()
Refine by:
  1. ▾ Collection
    • Darwin Manuscripts (1)
    • Papers of Nevil Maskelyne (4)
    • Papers of the Board of Longitude (103)
    • Royal Greenwich Observatory Archives (107)
  2. ▾ Subject
    • ASTRONOMY (104)
    • Geographical exploration (103)
    • Marine navigation (103)
    • Longitude (84)
    • Horology (43)
    • Discoveries in geography (34)
    • Navigation (34)
    • Navigational aids (21)
    • TRAVEL (16)
    • Time Measuring Instruments (5)
    • ACADEMIC STANDARDS (1)
    • Magnetism (1)
    • Nautical instruments (1)
  3. ▾ Date
    • 1700s C.E. (9)
    • 1800s C.E. (99)
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