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Details
A 19TH CENTURY 9½IN. RADIUS EBONY AND BRASS OCTANT BY ALEXANDER
the ivory scale divided up to 100°, signed on the cross bar ALEXR*ALEXANDER*OPTICIAN TO*THE*QUEEN* EXETER, brass index arm with vernier adjustment, double pin hole sight, three shades and two mirrors, the reverse with brass pin feet and bone note plate (lacks vernier clamp and pencil) -- 12in. (30.5cm.) high
See illustration
the ivory scale divided up to 100°, signed on the cross bar ALEXR*ALEXANDER*OPTICIAN TO*THE*QUEEN* EXETER, brass index arm with vernier adjustment, double pin hole sight, three shades and two mirrors, the reverse with brass pin feet and bone note plate (lacks vernier clamp and pencil) -- 12in. (30.5cm.) 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