A DIEPPE IVORY DIPTYCH DIAL
17TH CENTURY
unsigned and undated, with equinoctial dial, polar dial, silvered lunar volvelle, horizontal dial, azimuth dial, engraved paper compass rose, latitude scale and arm
2½in. (6.5cm.) long
A DIEPPE IVORY DIPTYCH DIAL
17TH CENTURY
unsigned and undated, with equinoctial dial, polar dial, silvered lunar volvelle, horizontal dial, azimuth dial, engraved paper compass rose, latitude scale and arm
2½in. (6.5cm.) long