.jpg?w=1)
Details
A PERSIAN BRASS ASTROLABE
THE MATER WITH PIERCED THRONE DECORATED WITH INTERLACING ARABEQUES AND ATTACHED SUSPENSION LOOP AND TASSEL, ENGRAVED ON THE INSIDE WITH A QUIBLA, THE BORDER WITH NAMED CITIES, THE REVERSE WITH SHADOW SQUARE AND QUADRANT SCALES, THE RETE CUT AND DECORATED WITH THE NAMES AND POSITIONS OF THIRTY-TWO STARS, FITTED WITH FOUR PLATES AND FOUR LATITUDES, THE ALIDADE WITH TWO PINHOLE SIGHTS, WITH PIN AND WEDGE MODELLED AS A BIRD -- 9¾.IN (24.7CM) DIAM, SIGNED, 19TH CENTURY. SEE COLOUR PLATE 15.
THE MATER WITH PIERCED THRONE DECORATED WITH INTERLACING ARABEQUES AND ATTACHED SUSPENSION LOOP AND TASSEL, ENGRAVED ON THE INSIDE WITH A QUIBLA, THE BORDER WITH NAMED CITIES, THE REVERSE WITH SHADOW SQUARE AND QUADRANT SCALES, THE RETE CUT AND DECORATED WITH THE NAMES AND POSITIONS OF THIRTY-TWO STARS, FITTED WITH FOUR PLATES AND FOUR LATITUDES, THE ALIDADE WITH TWO PINHOLE SIGHTS, WITH PIN AND WEDGE MODELLED AS A BIRD -- 9¾.IN (24.7CM) DIAM, SIGNED, 19TH CENTURY. SEE COLOUR PLATE 15.