Astrolabe, copper alloy, inlaid with gold and silver,
bearing the name Sultan Bayezid
9th AH/15th AD century-Turkey
Compass of copper inlaid with silver
Safavid period 12th century AH / 18 AD - Iran
Celestial sphere of copper by the work of the manufacturer Ziauddin Mohammed
The Ottoman era in 1070 AH - Egypt
