.jpg?w=1)
PROBABLY GERMAN LATE 17TH CENTURY
細節
A GILT BRASS EQUINOCTIAL RING DIAL
PROBABLY GERMAN LATE 17TH CENTURY
the instrument finely engraved with decorative motifs, one quadrant graduated 0-90°, chapter ring I-XII-I-XII marked for every half-hour, the bridge with sliding pinhole gnomon on calendrical and zodiac scales,
2in. (5cm.) diameter
PROBABLY GERMAN LATE 17TH CENTURY
the instrument finely engraved with decorative motifs, one quadrant graduated 0-90°, chapter ring I-XII-I-XII marked for every half-hour, the bridge with sliding pinhole gnomon on calendrical and zodiac scales,
2in. (5cm.) diameter