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Details
A 19th-Century French lacquered-brass protractor with radius arm,
signed Secretan à Paris, graduated 1-360°, the radius arm with screw-adjustment and vernier scale 0-30°, in a mahogany case with maker's label MAISON LEREBOURS & SECRETAN - SECRETAN, SUCCESSEUR - Opticien de L'Observatoire & de la Marine - MAGASINS: 13, PLACE DU PONT-NEUF - ATELIERS: 28, PLACE DAUPHINE - PARIS -- 48cm. (18 7/8in.) wide; and three 18th-Century lacquered-brass half-protractors signed Baradelle AParis, Lennel à La Sphère à Paris and Butterfield AParis, each graduated 1-180° in both directions (4)
signed Secretan à Paris, graduated 1-360°, the radius arm with screw-adjustment and vernier scale 0-30°, in a mahogany case with maker's label MAISON LEREBOURS & SECRETAN - SECRETAN, SUCCESSEUR - Opticien de L'Observatoire & de la Marine - MAGASINS: 13, PLACE DU PONT-NEUF - ATELIERS: 28, PLACE DAUPHINE - PARIS -- 48cm. (18 7/8in.) wide; and three 18th-Century lacquered-brass half-protractors signed Baradelle AParis, Lennel à La Sphère à Paris and Butterfield AParis, each graduated 1-180° in both directions (4)
Special notice
VAT rate of 5% is payable on hammer price plus buyer's premium.
Sale room notice
This Lot also includes a large half-protractor by Grilliet, Paris.