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 ...

This marine chronometer was given to President Ronald Reagan by singer Frank Sinatra. The quest for the Longitude Prize spurred a wave of innovation and ingenuity in the scientific community.

Carpenter and clock-maker John Harrison died 250 years ago in March 1776, on his 83rd birthday. He is known today for the ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This instrument is a specialized ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. British clockmaker John Harrison helped make marine navigation safer for sailors around the world and his 325th birthday ...

British clockmaker John Harrison definitely had time on his side. The self-educated horologist and carpenter was born on April 3, 1693, in Foulby, Yorkshire. He is known as the man who came to the ...

Have you ever heard of John Harrison? Harrison saw a problem and had a driving vision on how to correct it. In the late 1600s, more than 200 years after Columbus reached the New World, there were many ...

Let’s get one thing out of the way: a chronometer is different than a chronograph, though one can also be the other. We’ve heard the terms confused one too many times, and while we’ll forgive past ...