Lot 1
Lot 1
AN ENGLISH HORARY QUADRANT 14TH CENTURY

    Estimate
    GBP 50,000 - GBP 80,000
    Estimates do not reflect the final hammer price and do not include buyer's premium, any applicable taxes or artist's resale right. Please see the Conditions of Sale for full details.
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    AN ENGLISH HORARY QUADRANT 14TH CENTURY
    • Details
    Details
    Details
    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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