A FINE SAFAVID BRASS ASTROLABE
SIGNED MUHAMMAD MEHDI AL-YAZDI, IRAN, CIRCA 1660
A FINE SAFAVID BRASS ASTROLABE SIGNED MUHAMMAD MEHDI AL-YAZDI, IRAN, CIRCA 1660 The brass mater with throne decorated with calligraphic cartouche, suspension shackle above, the reverse with possibly added compass, the rim graduated 0-360° by 1° with larger markings every 5°, with six plates elegantly engraved on both sides each bearing stereographic projections except for one marked with hours for prayer and another with markings for the zodiac, all with inscriptions in elegant naskh and nasta'liq occasionally on ground of elegant scrolling vine, altitude circles every six degrees, azimuth arcs every ten degrees, the rete with 31 named star pointers, the reverse of the mater with shadow square and projection for unequal hours and a quadrant with further projections, the probably original graduated alidade with two holed sighting vanes, the edge with further elegantly engraved naskh inscription, with brown rope cord attached 4¾in. (12.1cm.) high (excluding shackle); 3 5/8in. (9.3cm.) diam.
A FINE SAFAVID BRASS ASTROLABE
SIGNED MUHAMMAD MEHDI AL-YAZDI, IRAN, CIRCA 1660
A FINE SAFAVID BRASS ASTROLABE SIGNED MUHAMMAD MEHDI AL-YAZDI, IRAN, CIRCA 1660 The brass mater with throne decorated with calligraphic cartouche, suspension shackle above, the reverse with possibly added compass, the rim graduated 0-360° by 1° with larger markings every 5°, with six plates elegantly engraved on both sides each bearing stereographic projections except for one marked with hours for prayer and another with markings for the zodiac, all with inscriptions in elegant naskh and nasta'liq occasionally on ground of elegant scrolling vine, altitude circles every six degrees, azimuth arcs every ten degrees, the rete with 31 named star pointers, the reverse of the mater with shadow square and projection for unequal hours and a quadrant with further projections, the probably original graduated alidade with two holed sighting vanes, the edge with further elegantly engraved naskh inscription, with brown rope cord attached 4¾in. (12.1cm.) high (excluding shackle); 3 5/8in. (9.3cm.) diam.
.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
