Pocket sundial with compass, Butterfield, Michael (1635–1724). Octagonal, engraved on both sides; underside inscribed with names of French and European cities and their longitudes. Signed 'Butterfield / Paris.' On the underside: a decharge mark (lily flower in a rhombus) struck 29 VII 1684 to 1 X 1687. Date: 1684–1687. Place: Paris, France. Function: measuring instrument. Dimensions: height 11.2 cm, width 8.2 cm., A metal octagonal object with a circular glass-covered dial set near its lower center, showing a needle pivot with a small metallic cap; the dial has radial engraved lines and

1 x 1687, 11.2 cm, 1635-1724, 1684-1687, butterfield, circular glass-covered dial set near, circular opening, compass, concentric segmented scales, date, decharge mark, decorative flourishes, dial, dimensions, engraved, european cities, france, french, function, height, hinged, instrument, lily flower, lines, longitudes, lower center, measuring, metal arm projects, metal octagonal object, michael, names, needle pivot, octagonal, octagonal plate, ornamental markings, paris, place, pocket sundial, radial, rhombus, showing, sides, signed, small, small metallic cap, struck 29 vii 1684, top, underside, underside inscribed, width 8.2 cm,