Sea Clocks: The Story of Longitude - Louise Borden: 9781422393048
Sea Clocks: The Story of Longitude Children's Book with Learning
NOVA: Lost at Sea: The Search for Longitude DVD
Sea Clocks: The Story of Longitude: Borden, Louise, Blegvad, Erik
History of Chronometers Pt. 1: Origins - Worn & Wound
History of Chronometers Pt. 1: Origins - Worn & Wound
Lost at Sea: Finding Longitude with Ships, Clocks & Stars
Early Sea Clock Experiments
Sea Clocks: The Story of Longitude Children's Book with Learning
Longitude and the Sea Clock
Sea Clocks: The Story of Longitude by Louise Borden
Book Sharing Monday :: Two Books about John Harrison – Life on a
John Harrison's Marine Chronometers – London, England - Atlas Obscura
How longitude was finally found. - New World Exploration