A rare 18th-Century German brass minute dial,

细节
A rare 18th-Century German brass minute dial,
unsigned, the hour-ring with minute sub-divided circle, with rack gearing, one folding and one fixed sight, one scroll minute and decorative hour pointer, raised on a quadrant engraved with geometric and floral decoration from the architectural plinth and pyramid support from the rectangular base plate, profusely engraved with vases, foliate and floral decoration, the compass box with silvered dial, iron needle on pivot, with three adjusting screws, on shaped ebonised plinth base -- 9in. (23cm.) wide

See Colour Plate