Details
A late 18th-Century brass Butterfield-pattern dial,
signed CHAPOTOT A PARIS, with hour scales for 40°, 45° and 50°, with folding bird gnomon, engraved for latitudes 40°-60°, inset compass, the underside engraved with the latitudes of twenty Continental cities and towns, in the original plush-lined fish-skin covered case -- 3in. (7.6cm.) long
signed CHAPOTOT A PARIS, with hour scales for 40°, 45° and 50°, with folding bird gnomon, engraved for latitudes 40°-60°, inset compass, the underside engraved with the latitudes of twenty Continental cities and towns, in the original plush-lined fish-skin covered case -- 3in. (7.6cm.) long