.jpg?w=1)
細節
A late 16th-Century ivory diptych dial cover,
unsigned, the cover face with wind rose and gilt-brass arrow head, four brass feet and hook, the inner face inscribed with a zodiac calendar and a table of latitudes of twenty continental cities and towns, with latitude scale for 42°, 45°, 48°, 51° and 54° -- 3.5/8in. (9.2cm.) long
See Illustration
unsigned, the cover face with wind rose and gilt-brass arrow head, four brass feet and hook, the inner face inscribed with a zodiac calendar and a table of latitudes of twenty continental cities and towns, with latitude scale for 42°, 45°, 48°, 51° and 54° -- 3.5/8in. (9.2cm.) long
See Illustration