A German octagonal brass equinoctial dial, Andreas Vogel, Augsburg, second half 18th century
engraved within scrollwork, recessed silvered compass, folding degree scale and chapter ring, back engraved with latitudes for European cities and signed AndVogl within a wreath
width 2 1/4 in.
Blumka II, New York
Sotheby's New York, June 5, 1997, lot 150