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enfilade18thc.com | ||
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www.musee-magritte-museum.be
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musee-magritte-museum.be
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collection.sciencemuseumgroup.org.uk
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| | | | | Silver pair-cased marine timekeeper, known as H5, by John Harrison & Son, London.,White enamel dial with gold central star to adjust hands. Verge escapement with Harrison's special diamond pallets. Steel balance and spring. Fusee. Maintaining power. 7 1/2 seconds remontoir on 4th wheel. All wheels from the 3rd, jewelled. Long bimetallic strip on adjustable frame. Original key and starting pin. Signed 'John Harrison & Son London 1770 No. 2'. Case hallmarked for 1768 - 9 and stamped 'HT' (probably Henry Ta... | |
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www.musee-magritte-museum.be
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