John Harrison
Top Tracks
1
I Want to Shout
2
Mary Morison
Videos
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The Clock That Changed the World (BBC History of the World)
Ice cream taste tester John Harrison visits Wegmans
The Longitude Problem - Improving Navigation with the Harrison Clocks
Pen & Wash by John Harrison - A Great Book for Beginner Artists
John Harrison rodeo clown trick!
John Harrison's "H1" clock in action
John Harrison's "H3" clock in action
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