Lignum-Vitae Rectangular Diptych Sundial

Description:

Lignum-Vitae Rectangular Diptych Sundial, probably Italian, 17th century, face Ia with lunar volvelle (incomplete) and sliding cursor, face Ib with pin gnomon and Italian hours 13-23, over vertical dial divided VII-XII-V, face IIa with compass and iron needle, folding gnomon, horizontal dial divided 10-22 and pin gnomon, face IIb with ink table of data for various locations, (hinge damaged, wear especially to table),lg. 3 3/8 in.
Estimate $500-700