拍品 1
拍品 1
AN ENGLISH HORARY QUADRANT 14TH CENTURY

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    GBP 50,000 - GBP 80,000
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    AN ENGLISH HORARY QUADRANT 14TH CENTURY
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    詳情
    AN ENGLISH HORARY QUADRANT
    14TH CENTURY
    the copper-alloy plate engraved with six unequal hour lines, a shadow square with two scales each numbered 4 8 12, a quadrant arc 0-90 divided to 1 and numbered [15] 30 45 60 75 [90]
    2in. (51mm.) radius

    Literature:

    Davis, J. 'The Chetwode Quadrant: A Medieval Unequal-Hour Instrument', in Bulletin of the British Sundial Society 27 (2015) pp. 2-6.

    Read more about the discovery of the Chetwode Quadrant here.

    Discover more about the part this object played in the evolution of the modern PC in our Christie’s Digest feature.
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    Please note this lot is the property of a consumer. See H1 of the Conditions of Sale.
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    • 拍品賣家為： Christie Manson & Woods Ltd
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