An 18th-Century gilt-brass Augsburg-pattern equinoctial compass dial,

細節
An 18th-Century gilt-brass Augsburg-pattern equinoctial compass dial,
signed on the underside of the compass box And, Vogl., engraved with the latitudes of five continental cities and towns, with pin gnomon, folding latitude arc, in shaped leather-covered case -- 23/8in. (6cm.) wide