$999
Ivory Azimuth Diptych Sundial by Bloud, Dieppe, late 17th century, with printed compass card giving the latitudes of various cities, metal ellipse with hour scale and scrolling decoration, the top with table of hours, string gnomon, latitude scale and folding arm, the interior lunar volvelle with twin volvelles for phases of the moon, the underside with calendar volvelle signed Fait. Et. Inuen Par Charles Bloud a Dieppe, (crack to front and glass), lg. 3 in.
Auctioneer:
Skinner
Date:
2002-04-13