London: Greenwich; Saturday, 26 August, 2023

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Photo ID: 048851, John Harrisons first Chronometer (133Kb) 048851: John Harrisons first Chronometer
(133Kb)
Photo ID: 048852, Chronometer Version 2 (125Kb) 048852: Chronometer Version 2
(125Kb)
Photo ID: 048853, The 3rd Generation of the Chronometer (131Kb) 048853: The 3rd Generation of the Chronometer
(131Kb)
Photo ID: 048854, H4, the final version of Harrisons Chronometer (92Kb) 048854: H4, the final version of Harrisons Chronometer
(92Kb)
Photo ID: 048855, The Greenwich Time Signal clock (104Kb) 048855: The Greenwich Time Signal clock
(104Kb)