Worlds of David Darling
Encyclopedia of Science
   
Home > Encyclopedia of Science

Harrison, John (1693–1776)




John Harrison
English inventor of the marine chronometer (1735). A prize of 20,000 had been offered for a device to allow the accurate determination of longitude at sea: this he won with his No. 4 Marine Chronometer of 1759.


Related category

   • ENGINEERS & INVENTORS