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- 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.
- The Viking Sun Compass
How the Vikings found their way back from New York 1000 years ago
- 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.
- Wayfinding, or Non-Instrument Navigation
How Polynesians navigated before the invention of the compass, sextant, or clock.
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