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細節
A mid 19th-Century ebony and ivory 9½in. radius vernier octant by Warden
signed on the 'T' frame cross bar Warden Liverpool, the arc divided 2½°- 0°- 107½° (stained/lifting), vernier with fine screw adjustment (clamp missing), double pinhole sight with swivel shade, three shades, two mirrors, brass pin rests, contained within a keystone box with securing hooks -- 13in. (33cm.) long
See illustration
signed on the 'T' frame cross bar Warden Liverpool, the arc divided 2½°- 0°- 107½° (stained/lifting), vernier with fine screw adjustment (clamp missing), double pinhole sight with swivel shade, three shades, two mirrors, brass pin rests, contained within a keystone box with securing hooks -- 13in. (33cm.) long
See illustration
注意事項
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis.