A 19TH-CENTURY MAGHRIBI ASTROLABE AFTER ISA IBN ALLAHDAD
heavily constructed in brass and bearing date '1135' AH (1722/23 CE) on the shaped throne, six double-sided planispheric plates and fret-worked rete secured with stylised 'horse', the reverse etched with shadow square, calendar and hour scales etc., unmarked alidade with sighting vanes, the whole suspended from a hinged joint -- 4⅝?in. (11.8cm.) diameter; mater ⅜?in. (1cm.) thick
This astrolabe appears to be a near-faithful copy of the 'Isa ibn Allahdad' astrolabe of Lahore, Pakistan contained in the Adler Planetarium & Astronomy Museum, Chicago, Inv. No. A-79 (IC 1096). This is a little larger with a 7¼in. (18.5cm.) diameter, 3/8in. (1cm.) thick mater and is dated for 1013 (1605/05).

Condition Report
Generally good overall, some scuff/rub marks to the reverse from the alidade; star plates look as if they've been lacquered and this has gone darker.

We are pleased to provide you with a general report of the condition of this property. 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 Charles Miller Ltd 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.