A PLANOSPHERIC BRASS ASTROLABE, SIGNED BY HAJJI 'ALI, PERSIA, LATE 18TH CENTURY
A PLANOSPHERIC BRASS ASTROLABE, SIGNED BY HAJJI 'ALI, PERSIA, LATE 18TH CENTURY
cast brass, mater cast in one piece with throne, engraved front and back with central leaf flanked by trefoil flowers, inside of mater engraved with detailed gazetteer with the latitudes, longitudes and declinations of over thirty localities in Persia, also cited in outer ring: Mecca, Medina and Baghdad, the reverse engraved with solar quadrant to the right and trigonometric grid to the left, double shadow square with astronomical information and maker’s name, rete with pointers for twenty-six named stars, hook to top, with four latitude plates which correspond to: 38° - 37°, 37° - 36°, 34° - 32°, and 30° - 29°
12.5cm. height; 9.1cm. diam.
Condition Report:
In good condition, unnumbered and undated, alidade, pin and horse original although the washer for fastening is replaced, some very light scratches to surfaces associated with age and use, small chip to rete, very minor patches oxidisation to plate, one plate with one section of the outer ring cut, 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."
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A PLANOSPHERIC BRASS ASTROLABE, SIGNED BY HAJJI 'ALI, PERSIA, LATE 18TH CENTURY
cast brass, mater cast in one piece with throne, engraved front and back with central leaf flanked by trefoil flowers, inside of mater engraved with detailed gazetteer with the latitudes, longitudes and declinations of over thirty localities in Persia, also cited in outer ring: Mecca, Medina and Baghdad, the reverse engraved with solar quadrant to the right and trigonometric grid to the left, double shadow square with astronomical information and maker’s name, rete with pointers for twenty-six named stars, hook to top, with four latitude plates which correspond to: 38° - 37°, 37° - 36°, 34° - 32°, and 30° - 29°
12.5cm. height; 9.1cm. diam.
Condition Report:
In good condition, unnumbered and undated, alidade, pin and horse original although the washer for fastening is replaced, some very light scratches to surfaces associated with age and use, small chip to rete, very minor patches oxidisation to plate, one plate with one section of the outer ring cut, 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."
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