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Illustrated article including details about dating. Links to antique instruments offered for sale.
The evolution from the earliest instruments to the sophisticated devices used today described and illustrated.
Transcript of a talk given at the Science Museum of The University of Coimbra. Includes photos of ancient devices.
Describes 17th and 18th century use of eclipses of Jupiter's moons to identify position.
An overview from the PBS show "The Search for Longitude".
An overview from the PBS show "The Search for Longitude".
Describes 17th and 18th century use of eclipses of Jupiter's moons to identify position.
Illustrated article including details about dating. Links to antique instruments offered for sale.
The evolution from the earliest instruments to the sophisticated devices used today described and illustrated.
Transcript of a talk given at the Science Museum of The University of Coimbra. Includes photos of ancient devices.
