Cambridge Digital Library

• Location: London

Refine by:

1. ▾ Collection
   • Darwin-Hooker Letters (28)
   • National Maritime Museum Manuscripts (4)
   • Papers of John Pond (150)
   • Papers of Nevil Maskelyne (2)
   • Papers of the Board of Longitude (1530)
   • Royal Greenwich Observatory Archives (1686)
   • Sassoon Journals (5)
   • Treasures of the Library (3)
2. ▾ Subject
   • Longitude (1189)
   • Astronomy (1092)
   • Marine navigation (704)
   • Time Measuring Instruments (675)
   • Nautical instruments (541)
   • Magnetism (221)
   • Mathematics (198)
   • Horology (167)
   • Astronomical Observatories (130)
   • Colonial administration (130)
   • Navigation (science) (127)
   • Geographical exploration (111)
   • Latitude (93)
   • Tides (82)
   • Science (67)
   • Jupiter (Planet) (63)
   • Navigational aids (61)
   • Ocean currents (57)
   • Winds (55)
   • Discoveries in geography (24)
   • Navigation (24)
   • Compasses (21)
   • Travel (14)
   • Plants (12)
   • experiment, scientific observation (7)
   • Geographical distribution (6)
   • Instrument manufacture (4)
   • queries / requests (4)
   • Adaptation (3)
   • Anthropology (3)
3. ▾ Date
   • 1700s C.E. (369)
   • 1800s C.E. (1374)
   • 1900s C.E. (5)