拍品 117
117
An 18th Century silver horizontal dial signed Butterfield AParis, engraved on the reverse with scales for latitudes of twenty seven European cities, the quadrantley divided compass box with iron neeedle and cap, the spring folding bird gnomon divided for latitude 40°-60°, the horizontal plate divided with hour scales - 3 1/8in.

細節
An 18th Century silver horizontal dial signed Butterfield AParis, engraved on the reverse with scales for latitudes of twenty seven European cities, the quadrantley divided compass box with iron neeedle and cap, the spring folding bird gnomon divided for latitude 40°-60°, the horizontal plate divided with hour scales - 3 1/8in.