拍品专文
A similar dial in a case is described and illustrated by Baptiste (p. 98, item 108, with adjustable compass arrow).
细节
An early 18th-Century German silver and gilt equinoctial compass sundial,
signed Johann Willebrand in Augspurg 48, the gilt folding hour ring with spring loaded gnomon, silver scale graduated 3 - 12 - 9, and engraved with foliate decoration and "hand" pointer, running against the folding latitude arc with engraved scale graduated [3°] - 90° and foliate decoration, the octagonal silver base plate with spring-loaded, gilt plummet frame (lacking plummet), the compass with dial divided into four quadrants, inner silver rose disc with arrow running over the scale and engraved foliate motif, the arrow rotated between 40° East and 40° West of North by a stud in the baseplate, the blued-steel needle with brass cap, the underside with three turned gilt feet and engraved foliate decoration, in red plush-lined, fishskin-covered case, with engraved silver disc to the inside of the lid titled Elevatio Poli, and listing the names and latitudes of 69 cities -- 2½in. (6.3cm.) long
See Colour Illustration and Detail
signed Johann Willebrand in Augspurg 48, the gilt folding hour ring with spring loaded gnomon, silver scale graduated 3 - 12 - 9, and engraved with foliate decoration and "hand" pointer, running against the folding latitude arc with engraved scale graduated [3°] - 90° and foliate decoration, the octagonal silver base plate with spring-loaded, gilt plummet frame (lacking plummet), the compass with dial divided into four quadrants, inner silver rose disc with arrow running over the scale and engraved foliate motif, the arrow rotated between 40° East and 40° West of North by a stud in the baseplate, the blued-steel needle with brass cap, the underside with three turned gilt feet and engraved foliate decoration, in red plush-lined, fishskin-covered case, with engraved silver disc to the inside of the lid titled Elevatio Poli, and listing the names and latitudes of 69 cities -- 2½in. (6.3cm.) long
See Colour Illustration and Detail
出版
BAPTISTE, George (ed.) La Mesure Du Temps (Brussels, 1984)