171


171. AN 18TH-CENTURY ITALIAN SILVER RING DIAL


with revolving pin-hole sight, internal hours, and the months delineated on the outer edges, with chain -- 1in. (2.5cm.) diameter


£400-600 172.


AN IVORY DIAL BY CHARLES BLOUD, DIEPPE, CIRCA 1660


face 1a engraved with an equatorial dial (lacking gnomon); face 1b the right edge stamped with a latitude scale 0-80°, central calendar disc with moon phase volvelle and index pointer graduated in days, this with index pointer to the main disc graduated in twice twelve hours and days of the month; face 2a inset folding arm to the right-hand side for the latitude scale, central glazed compass with manuscript paper and blued- iron needle, punched Arabic azimuth hour scale 8-1, 12-4; face 2b silvered perpetual calendar volvelle signed around the edge Par Charles / Bloud / Dieppe / Faict & Inve, with an engraved pointing finger indicator by hinge, with two silver securing hooks, wire hinges and silvered hook cover for gnomon recess - 3in. (7.5cm.) square


This dial was converted, probably during the 18th century, from a magnetic azimuth dial, to a conventional compass sundial.


£1000-1500 173.


A MID-18TH-CENTURY AUGSBURG POCKET DIAL IN THE MANNER OF ANDREAS VOGLER


constructed in brass with black-filled lettering, 1in. glazed compass with original steel needle, silvered dial with compass rose engraved ‘OR’ for east and ‘OC’ for west, the back plate with latitudes for European capitals and ?maker’s initial’s ‘WTM’, contained within original leather-covered card case with remnant lining and securing hook -- 2¾in. (7cm.) overall


Literature: Higton, H: Sundials, A Portable History, Philip Wilson 2001, p.101


£1000-1500


174. A 19TH-CENTURY FRENCH NOON DAY CANNON DIAL


inscribed on the 1½in. thick marble base Lusardi, Opticien à Valenciennes. nickel-plated brass fittings including calibrated arcs supporting burning lens assembly and cannon on location slide, black-filled numerals with gnomon and latitude inscribed as 50º 21 -- 10in. (25.5cm.) diameter


£1000-1500


173


172 60


174


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