| Escape from Antarctica: Recreates the navigation Ernest Shackleton's crew used on their voyage seeking rescue. |
| Evolution of the Sextant: Illustrated article including details about dating. Links to antique instruments offered for sale. |
| John Harrison and the Longitude Problem: The problem, the man, the clocks and the prize. Online exhibit at Royal Observatory Greenwich. |
| Longitude at Sea: Describes 17th and 18th century use of eclipses of Jupiter's moons to identify position. |
| Medieval and Twentieth Century Navigation: Methods and equipment used by Columbus and by the Apollo astronauts described, compared, and contrasted. |
| Navigation Instruments: Brief descriptions, thumbnails, links to other resources. |
| Secrets of Ancient Navigation: An overview from the PBS show "The Search for Longitude". |
| The Columbus Navigation Homepage: The history, navigation, and landfall of Christopher Columbus. Includes a timeline of the life and voyages of Columbus. |
| The History of the Sextant: Transcript of a talk given at the Science Museum of The University of Coimbra. Includes photos of ancient devices. |
| The History of the Sextant: The evolution from the earliest instruments to the sophisticated devices used today described and illustrated. |
| The Seamans Secrets: Text from a book originally printed in 1657 that discusses tides, declinations, and other marine navigation topics. |
| Traditional Navigation in the Western Pacific: Covers the role, techniques, and tools of the Carolinian navigator. From the University of Pennsylvania Museum of Archaeology and Anthropology. |
| Understanding How Thompson Navigated: About David Thompson's exploration of western Canada and the northwestern United States from 1790 to 1812, using a sextant and compass. From the Northwest Journal. |
| Viking Navigation: Summary from the last chapter of The Viking by Howard La Fey. |
| Wayfinding, or Non-Instrument Navigation: How Polynesians navigated before the invention of the compass, sextant, or clock. |
Classical
