To pinpoint your position on a map of the world you need to work out your co-ordinates, known as latitude and longitude. Latitude is your position north or south of the Equator. Lines, or parallels, ...

English clockmaker John Harrison revolutionized long distance seafaring in the 18th century, solving the problem of calculating longitude at sea and devising tools that helped sailors navigate with ...

Once a month, Life & Arts taps into the many questions received and answered by the staff of the Columbus Metropolitan Library. A sampling: A: The latitude represents an imaginary line drawn ...

Developed over decades in the 1700s, Harrison’s clocks were major steps toward a reliable way of calculating longitude at sea Developed over decades in the 1700s, Harrison’s clocks were major steps ...