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細節
A mid 19th-Century 8½in. radius ebony vernier sextant by Spencer, Browning & Co.
the inset ivory scale with 'SBR' Ramsden mark, divided 5°- 0°- 140° the vernier with clamp and tangent fine adjustment, signed on the cross bar Spencer, Browning & Co. London , siggting tube, seven shades, two mirrors, brass pin feet and ebony handle -- 11in. (28cm.) diameter See illustration
the inset ivory scale with 'SBR' Ramsden mark, divided 5°- 0°- 140° the vernier with clamp and tangent fine adjustment, signed on the cross bar Spencer, Browning & C
注意事項
VAT rate of 17.5% is payable on hammer price plus buyer’s premium.