John Harrison (1693-1776) self-educated English carpenter and clockmaker who invented a marine chronometer which solved the problem of calculating longitude while at sea



Engraved by W. Holl after the original by King for ‘Knight’s Gallery of Portraits’ edited by Charles Knight, London 1836.

Steel engraving
Digital image size 2382 x 2910 px
20.2 cm x 24.6 cm (300 dpi)