Lot Essay
C.F. STAATLICHER MATHEMATISCH-PHYSIKALISCHER., DRESDENER ZWINGER
PP.58 FOR A SIMILAR KANZELSANDUHR MIT WANDBRETT SIGNED JACOBUS HARIMAN (JACOB HARTMANN) C.1700.
SAND CLOCKS OF THIS FORM ARE, BY THE VERY NATURE OF THEIR CONSTRUCTION, FRAGILE AND THUS RARE. MOST, HOWEVER, WERE CONSTRUCTED WITH IRON FRAMES SUPPORTING THE FOUR HOUR-GLASSES WHICH WERE CONTAINED IN STAMPED BRASS FRAMES, OFTEN DECORATED WITH FLORAL AND OTHER MOTIFS, THE UPPER AND LOWER FRAMEWORK SUPPORTING A DECORATIVE FRIEZE AND SEPARATED BY EITHER 'BARLEY-TWIST' OR TUBULAR BRASS COLUMNS. OTHERS WERE DECORATED WITH BALUSTER TURNED SILVER COLUMNS WITH PRESSED AND ENGRAVED MOUNTS - SEE ATTALI, JACQUES: MéMOIRE DE SABLIERS, PARIS 1997 IN WHICH THE AUTHOR DISCUSSES AND ILLUSTRATES IN CONSIDERABLE DETAIL THE DEVELOPMENT OF THE SAND-GLASS.
PP.58 FOR A SIMILAR KANZELSANDUHR MIT WANDBRETT SIGNED JACOBUS HARIMAN (JACOB HARTMANN) C.1700.
SAND CLOCKS OF THIS FORM ARE, BY THE VERY NATURE OF THEIR CONSTRUCTION, FRAGILE AND THUS RARE. MOST, HOWEVER, WERE CONSTRUCTED WITH IRON FRAMES SUPPORTING THE FOUR HOUR-GLASSES WHICH WERE CONTAINED IN STAMPED BRASS FRAMES, OFTEN DECORATED WITH FLORAL AND OTHER MOTIFS, THE UPPER AND LOWER FRAMEWORK SUPPORTING A DECORATIVE FRIEZE AND SEPARATED BY EITHER 'BARLEY-TWIST' OR TUBULAR BRASS COLUMNS. OTHERS WERE DECORATED WITH BALUSTER TURNED SILVER COLUMNS WITH PRESSED AND ENGRAVED MOUNTS - SEE ATTALI, JACQUES: MéMOIRE DE SABLIERS, PARIS 1997 IN WHICH THE AUTHOR DISCUSSES AND ILLUSTRATES IN CONSIDERABLE DETAIL THE DEVELOPMENT OF THE SAND-GLASS.