X-Nico

7 unusual facts about John Harrison


Abstract rewriting system

John Harrison, Handbook of Practical Logic and Automated Reasoning, Cambridge University Press, 2009, ISBN 978-0-521-89957-4, chapter 4 "Equality".

Bimetallic strip

The earliest surviving bimetallic strip was made by the eighteenth-century clockmaker John Harrison who is generally credited with its invention.

Centennial Challenges

The Centennial Challenges are based on a long history of technology prize contests, including the Longitude prize (won by John Harrison), the Orteig Prize (won by Charles Lindbergh), the Ansari X PRIZE (won by Scaled Composites), and the DARPA Grand Challenge (won by Stanford University in 2005 and Carnegie Mellon University in 2007).

Dead reckoning

Before the 18th-century development of the marine chronometer by John Harrison and the lunar distance method, dead reckoning was the primary method of determining longitude available to mariners such as Christopher Columbus and John Cabot on their trans-Atlantic voyages.

Foulby

John Harrison (24 March 1693–24 March 1776) was an English carpenter and clock designer, who solved the problem of calculating longitude through the carrying of precise time on board ship, was born in this tiny village.

John Harrison

A song, John Harrison's Hands, written by Brian McNeill and Dick Gaughan, appeared on the 2001 album Outlaws & Dreamers.

Jonathan Betts

Jonathan Betts MBE (born 29 January 1955) is Senior Specialist in horology at the Royal Observatory (National Maritime Museum), Greenwich, a horological scholar and author, and an expert on the first marine timekeepers created by John Harrison in the middle of the 18th century.


Leeds City Square

There are other statues of other worthy local people (Joseph Priestley, John Harrison, James Watt and Dr Walter Hook) and statues of eight nymphs, light standards by sculptor Alfred Drury.

Lunatic

The term lunatic was also used by supporters of John Harrison and his marine chronometer method of determining longitude to refer to proponents of the Method of Lunar Distances, advanced by Astronomer Royal Nevil Maskelyne.

Sang Nila Utama

Another view is given by a zoologist John Harrison who speculated that the animal was either the Golden Cat, based on his study of clues from the Malay Annals.

Thomas Mercer Chronometers

The story begins with John Harrison, as documented in Dava Sobel's book Longitude and its British television adaptation.


see also

Balls Park

The history of Balls Park begins with Sir John Harrison, a wealthy financier and customs official, who constructed the house between 1637 and 1640, possibly to the designs of Nicholas Stone, the king’s master-mason.

Jammes Luckett

She appeared beside fellow composers Harry Manfredini, John Harrison, John Murphy (composer), Nathan Barr, and Richard Band, on the same day that soundtrack label La-La Land Records released an early retrospective of her film scoring work.

Ralph Harrison

His son William (d. 30 Nov. 1859, aged 80) was minister at Blackley, Lancashire (1803–54); another son, John, (1786–1853), was a Manchester merchant and father of John Harrison, Ph.D. (d. 1866), minister at Chowbent, Lancashire (1838–47), Brixton, Surrey (1847–61), and Ipswich (1861–3).