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Details
An early 19th Century 10in. radius vernier octant by Lerebours
the inset ivory scale divided 5°- 0°- 102°, vernier with clamp and tangent screw fine adjustment, signed on the index arm Lerebours à Paris, double pinhole sight with swivel shade, five shades, mirror, (horizon mirror missing), threaded ivory 'acorn' pencil cap, reverse with note plate and brass pin feet -- 12¼in. (31cm.) high
See illustration
the inset ivory scale divided 5°- 0°- 102°, vernier with clamp and tangent screw fine adjustment, signed on the index arm Lerebours à Paris, double pinhole sight with swivel shade, five shades, mirror, (horizon mirror missing), threaded ivory 'acorn' pencil cap, reverse with note plate and brass pin feet -- 12¼in. (31cm.) high
See illustration
Special notice
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.