OTTOMAN TURKISH, LATE 19TH CENTURY

Details

A LARGE SINGLE-SIDED BRASS QUADRANT
OTTOMAN TURKISH, LATE 19TH CENTURY
unsigned and undated, the brass quadrant fixed onto a wooden support, carrying an engraved sexagesimal triginometric grid, punctuated with the usual geometrically arranged dots, inscriptions to the edges.
12½in. (31cm.) radius

Special notice

VAT rate of 5% is payable on hammer price and at 17.5% on the buyer's premium.

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Descriptif du lot

A larger instrument than the more commonly seen wooden examples. Possibly one of a pair, and of a sufficiently large size to suggest it was intended for accurate use (perhaps in an observatory setting) rather than portability.

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