Johan Koch, an equatorial brass sun dial, 17th/18th century.
Hammer price
30 000SEK
Estimate
10 000 - 12 000 SEK
circular with screw on lid, hand-engraved circular dial-plate with set compass, silvered chapter ring with Roman hour scale, engraved signature: Johan Koch Fecit (probably JK verksam i Stockholm 1665-1679). Diameter 66 mm. Compass needle missing.