Butterfield silver horizontal sundial.
The top of the upper plate is engraved with three-hour scales 4-12-8 (two in Arabic numerals and one in Roman numerals) for latitudes of 40/45/50 degrees. The centre is decorated with foliate scrolls and signed "CHAPOTOT A PARIS". Folding bird pin gnomon decorated with foliage scrolls, one side of which bears an engraved scale of latitudes from 40 to 60 degrees. At the bottom is a compass with cardinal points engraved on the bottom and a blued steel needle with brass pivot. All covered with glass.
The bottom of the plate is engraved with a list of 20 cities with their latitude. The bottom of the compass and the gnomon spring are engraved with acanthus leaves. Small silver baluster base.
Hallmark (fleur-de-lys) for Paris 1681/1684.
Dimensions (dial): length of 6,2 cm x width of 5,4 cm.
Paris between 1681 and 1684.
Reference : D ex AB8
Price and additional photos on request.
Also discover many more sundials and equinoxial rings in the dedicated section of our French website : « Cadrans solaires en argent et laiton ».