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Details
A fine early 18th-Century French lacquered-brass graphometer,
signed on the limb N. Bion A Paris, the protractor scale graduated 0-180° in two directions, with gridlines numbered 6-60 in factors of six, the frame with foliate engraved crown and dolphin supports, the glazed compass with degrees around the circumference, wind rose, sixteen compass point initials and clamp (glass cracked, needle missing), the limb and alidade with four sights, the reverse with tripod or staff mounting with universal ball and socket joint and butterfly screw -- 14½in. (36.9cm.) wide
See Colour Illustration and Detail
signed on the limb N. Bion A Paris, the protractor scale graduated 0-180° in two directions, with gridlines numbered 6-60 in factors of six, the frame with foliate engraved crown and dolphin supports, the glazed compass with degrees around the circumference, wind rose, sixteen compass point initials and clamp (glass cracked, needle missing), the limb and alidade with four sights, the reverse with tripod or staff mounting with universal ball and socket joint and butterfly screw -- 14½in. (36.9cm.) wide
See Colour Illustration and Detail
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.
This lot is subject to Collection and Storage Charges.
Sale room notice
This Lot has a revised estimate of £3000-4000.