拍品專文
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18TH CENTURY
細節
A BRASS GLOBE GORE LATITUDE MEASURING SEGMENT
18TH CENTURY
ENGRAVED WITH SCALES 0-90 AND FURTHER ENGRAVED EXACTER VERTICAAL TOT HET METEN DER AZIMUTH EN ALMUCANTHARAT, THE BASE WITH SCROLL SUPPORT
11.5CM. HIGH
18TH CENTURY
ENGRAVED WITH SCALES 0-90 AND FURTHER ENGRAVED EXACTER VERTICAAL TOT HET METEN DER AZIMUTH EN ALMUCANTHARAT, THE BASE WITH SCROLL SUPPORT
11.5CM. HIGH