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GILBERT, EARLY 19TH CENTURY
細節
A 7½-INCH RADIUS SEXTANT
Gilbert, early 19th century
signed on the arc Gilbert London, with lattice frame, silvered scale 0°-140° with vernier, seven shades, wooden handle, in fitted case with accessories.
11in. (28cm.) long in case
Gilbert, early 19th century
signed on the arc Gilbert London, with lattice frame, silvered scale 0°-140° with vernier, seven shades, wooden handle, in fitted case with accessories.
11in. (28cm.) long in case