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MICHAEL BUTTERFIELD, CIRCA 1700
細節
A SILVER BUTTERFIELD DIAL
MICHAEL BUTTERFIELD, CIRCA 1700
four scale hours for 43°, 46°, 49°, 52°, the outer 4-12-8 the inner V-XII-VII, divided to the quarter hour, signed Butterfield APARIS, foliage motif, the engraving with niello infill, folding bird pointer gnomon, 32-point compass rose, the reverse with latitudes for 27 cities
2¼in. (5.5cm.)
MICHAEL BUTTERFIELD, CIRCA 1700
four scale hours for 43°, 46°, 49°, 52°, the outer 4-12-8 the inner V-XII-VII, divided to the quarter hour, signed Butterfield APARIS, foliage motif, the engraving with niello infill, folding bird pointer gnomon, 32-point compass rose, the reverse with latitudes for 27 cities
2¼in. (5.5cm.)