An Ottoman equatorial sundial
An Ottoman equatorial sundial

19TH CENTURY

细节
An Ottoman equatorial sundial
19th century
the engraved hour ring in Arabic numerals [4]-[12]-[8], two decorated arch braces under shaped gnomon, lacking latitude arc, finely engraved eight-point compass rose on silvered dial divided to 1°, with blue needle and rotating brass index.
3¾in. (9.5cm.) diameter

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