Showing posts from April, 2018 celebrates John Harrison's Birthday

Google Celebrates Clockmaker John Harrison With A Homepage Doodle April 3, 2018 Time is at the center of today's Google Doodle, which honors clockmaker John Harrison. Harrison is depicted working on an elaborate tabletop clock, surrounded by instruments and scrolls of paper. Harrison was actually best known for his work on clocks used in marine environments, not households. His first invention was the H1, a chronological tool used for determining longitude at sea. After testing the H1 in 1735, Harrison worked on later iterations, the H2 and H3, that improved on the original's accuracy. According to  Google's Doodle Blog , Harrison worked towards the £20,000 reward offered by Britain's Board of Longitude for "anyone who could devise a navigational instrument that could find the longitude within 30 miles of a sea voyage." The reward was created after numerous disasters at sea, and had stringent requirements for any inventor in pursui