Menant 巴黎， 61 x 69 mm，約 1780
Menant à Paris, 61 x 69 mm, circa 1780
A silve equatorial sun dial with original box
Case: silver, hand engraved signed octagonal dial-plate, fine engraved gnomon is hinged and folds flat, dial-plate with set compass, the scale is drawn for a latidude of 49°,on the reverse side of the ground plate are engraved the geographical declinations from several French and other European towns. Dial: concentric retrograde Roman hour scale.