Details
S. POTTER, London
A Magnetic Sun Dial, with gnomon and printed paper label, signed S. Potter Fecit, in turned-ivory domed case with maker's label in lid -- 2in.(5cm.)diam.(lacks glass), circa 1825
A Magnetic Sun Dial, with gnomon and printed paper label, signed S. Potter Fecit, in turned-ivory domed case with maker's label in lid -- 2in.(5cm.)diam.(lacks glass), circa 1825