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    Sale 5808

    Travel, Science & Natural History

    8 April 2009, London, South Kensington

  • Lot 79

    An equinoctial crescent dial

    Price Realised  

    Estimate

    An equinoctial crescent dial
    unsigned and undated, the hinged hour-plate with two crescent-shaped silvered hour scales engraved 10-1-12 and 2-12, hinged crescent gnomon on sliding calendrical scale, latitude arc for 30°-90°, folding support for plumb bob, two screw feet and bun foot (two later screws to base).
    3½in. (8.5cm.) wide


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    The absence of a latitude table and the unfinished decoration could be indicative of an unknown, apprentice instrument-maker working in the style of the Willebrand Augsburg crescent dials.

    Special Notice

    No VAT will be charged on the hammer price, but VAT at 15% will be added to the buyer's premium which is invoiced on a VAT inclusive basis.