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Details
An early 19th Century 9½in. radius vernier octant by Brooks
ebony 'T' frame with plaque, threaded pencil cap and reverse note plate, the arc with inset ivory scale divided 5°- 0°- 103°, vernier with clamp and fine adjustment, signed on the index arm Brooks. Ludgate Street London, double pinhole sight with swivel shade, three horizon shades, two mirrors and brass pin rests, contained within a stepped keystone case with securing hook -- 12½in. (31½cm.) long See illustration
ebony 'T' frame with plaque, threaded pencil cap and reverse note plate, the arc with inset ivory scale divided 5°- 0°- 103°, vernier with clamp and fine adjustment, signed on the index arm Brooks. Ludgate Street London, double pinhole sight with swivel shade, three horizon shades, two mirrors and brass pin rests, contained within a stepped keystone case with securing hook -- 12½in. (31½cm.) long 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.