A large brass astrolabe, signed by Muhammad ibn Ahmad al-Battuti, Morocco, dated 1141 AH/1728-29 AD

cast brass, hammered and engraved, inscribed in fine Maghribi script, rete with curved, hook-like pointers arising from circular bases (containing silver studs now missing) for about 25 stars and an arc for the Tropic of Capricorn, comprising four plates with the localities Meknes, Fes, Marrakesh, Siljilmasa, Mecca, Tunis and Draa (Dar'a), interior of mater undecorated, with ownership inscription dated 1167 AH/1753-54 AD, back of mater with shadow square, the back of throne with signature and date, replacement pin and horse, plain alidade with two sighting vanes, with suspension loop

18.2cm. diam.
22cm. height with throne

Condition Report:
The astrolabe with oxidisation and spots of rust, worn, the throne with scratches, as viewed.

"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."