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細節
A small 18th-Century Dieppe ivory diptych sundial,
unsigned -- 4.7 x 5.3cm. (1 7/8 x 2 1/8in.)
Face Ia upper leaf, outer face: circular equinoctial dial graduated in twice twelve hours (for use in spring and summer months) and a central polar dial graduated 9-12, 1-3 twice, with double-lined border of Dieppe "pecked" decoration
Face Ib upper leaf inner face: silvered-brass lunar volvelle graduated 1-30 with a surrounding scale of twice twelve hours, 0-80° latitude scale up the right-hand edge and double-lined Dieppe "pecked" decoration
Face IIa lower leaf, inner face: circular string gnomon dial graduated 5-12, 1-7 around the glazed compass with blued-iron needle and brass cap and engraved paper face with circumference scale, four points labelled in Latin and a table of latitudes for 24 European cities, with double-lined border of Dieppe "pecked" decoration, folding silver latitude arm, two silvered-brass hooks and a silvered-brass cover for the gnomon storage hole on the side (gnomon missing)
Face IIb lower leaf, outer face: plain apart from a border of Dieppe "pecked" decoration
See Illustration
unsigned -- 4.7 x 5.3cm. (1 7/8 x 2 1/8in.)
Face Ia upper leaf, outer face: circular equinoctial dial graduated in twice twelve hours (for use in spring and summer months) and a central polar dial graduated 9-12, 1-3 twice, with double-lined border of Dieppe "pecked" decoration
Face Ib upper leaf inner face: silvered-brass lunar volvelle graduated 1-30 with a surrounding scale of twice twelve hours, 0-80° latitude scale up the right-hand edge and double-lined Dieppe "pecked" decoration
Face IIa lower leaf, inner face: circular string gnomon dial graduated 5-12, 1-7 around the glazed compass with blued-iron needle and brass cap and engraved paper face with circumference scale, four points labelled in Latin and a table of latitudes for 24 European cities, with double-lined border of Dieppe "pecked" decoration, folding silver latitude arm, two silvered-brass hooks and a silvered-brass cover for the gnomon storage hole on the side (gnomon missing)
Face IIb lower leaf, outer face: plain apart from a border of Dieppe "pecked" decoration
See Illustration
注意事項
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis