top of page
Links to Information
on John Harrison
National Maritime Museum: Longitude found: the story of Harrison's clocks
Royal Observatory: Visit The Clocks
​BBC In Our Time : Melvyn Bragg - Longitude
The Clock That Changed the World - BBC History of the World: Adam Hart-Davis
Did we find Longitude thanks to a clock?
The longitude problem: history's deadliest riddle
National Geographic: Jonathan Betts
(Numerous copies available, search for Longitude Movie - 4 hours)
Longitude Project : The Problem
Longitude Project: School Project
Only Fools and Horses: Time on our Hands: Series 8 Episode 3
(Fictional Comedy about John Harrison Watch: BBC1997 - Auction Scene)
Univ. of Cambridge: Royal Greenwich Observatory: Longitude Collections
Univ. of Cambridge: Longitude Essays
bottom of page