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BY JOSEPH JACKSON, MID 18TH CENTURY
細節
A GEORGE II 6-INCH BRASS UNIVERSAL EQUINOCTIAL DIAL
BY JOSEPH JACKSON, MID 18TH CENTURY
The outer meridian ring with engraved scale and suspension ring for adjusting the latitude, with inner engraved hour ring and pivoted central bridge with adjustable cursor, signed Jo Jackson LONDON
6 in. (15.3 cm.) diam.
BY JOSEPH JACKSON, MID 18TH CENTURY
The outer meridian ring with engraved scale and suspension ring for adjusting the latitude, with inner engraved hour ring and pivoted central bridge with adjustable cursor, signed Jo Jackson LONDON
6 in. (15.3 cm.) diam.
來源
Christie's South Kensington, 6 November 2007, lot 131.
榮譽呈獻
Paul Van Den Biesen
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