Greenwich, England (June 30)

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37 Marine Timekeeper; Harrison Number One; Harrison H1 Harrison, John, 1693-1776; Marine Timekeeper; Harrison Number One; Harrison H1; side view; ca. 1735; brass; bronze; steel; oak; lignum vitae; 67.3 cm (height); National Maritime Museum (Great Britain); Greenwich; London; England; NMM (ZAA0034)	38	39	40
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