A DIEPPE IVORY DIPTYCH DIAL
17TH CENTURY
unsigned and undated, black coloured pecked Dieppe ornamention to borders, with equinoctial dial, polar dial, silvered lunar volvelle, horizontal dial, azimuth dial, engraved paper compass rose (glass and needle missing), table of latitudes, later ?owner's inscription LTM.
2¾in. (7.0cm.)
A DIEPPE IVORY DIPTYCH DIAL
17TH CENTURY
unsigned and undated, black coloured pecked Dieppe ornamention to borders, with equinoctial dial, polar dial, silvered lunar volvelle, horizontal dial, azimuth dial, engraved paper compass rose (glass and needle missing), table of latitudes, later ?owner's inscription LTM.
2¾in. (7.0cm.)
