John Harrison

John Harrison
John Harrison

John Harrison was a self-educated English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea.

From *.wikipedia.org,
General Info
.
Male
Birth Place
United Kingdom, England
Date of Death
March 24th, 1776
Died Aged
-193
Social Networks , Links
Interest
Loading Chart...
Relatives
Lists
    index: 1x 0.02535605430603s
fmsppl-page-output: 1x 0.022653102874756s
t_/pages/fms-person-json: 1x 0.022615909576416s
t_/common/header: 1x 0.01124382019043s
t_/blocks/person-card-json: 1x 0.010796070098877s
headline: 4x 0.005169153213501s
router_page: 1x 0.0022299289703369s
t_/common/head: 1x 0.00067496299743652s
head-facts: 1x 0.00064587593078613s
t_/common/footer: 1x 0.0004119873046875s
t_/common/searcher-result: 1x 1.1920928955078E-5s
----- END OF DUMP (2026-11-08 04:36:11)  -----