Brass graphometer signed Canivet à la Sphère à Paris dated 1772

Brass graphometer signed Canivet à la Sphère à Paris dated 1772



length 24.3 cm x height 12.7 cm




Canivet à la Sphère

Country of manufacture


Categories: Scientific, Surveying Instruments & Mining


Brass graphometer signed “Canivet à la Sphère à Paris 1772”.

It features an openwork brass semi-circle with two scales from 0 to 180 degrees, as well as two sights, and a central compass with a silvered bottom engraved with a 4-direction compass rose and four additional directions.

In the center of the compass, a steel pivot supports a partially blued steel needle with a brass pivot that locks with a screw system. All around the compass rose are degree graduations from 0 to 90 repeated four times, topped by a glass.

A movable arm, decorated with two small acanthus leaves, is attached to the main plate below the compass and features two sights.

The main plate is fixed on a ball-and-socket joint set into its support tube with its butterfly screw.

Original wooden case covered in brown leather with fleur-de-lis decoration, inside lined with green fabric.

Dimensions (graphometer): length 24.3 cm x height 12.7 cm.

Paris dated 1772.

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Galerie Delalande Paris

After 37 years in Le Louvre des Antiquaires, the Delalande gallery moved early June 2015 to 35 rue de Lille, 75007 Paris, on the other side of the Seine River in the well known antic shops area "le Carré Rive Gauche".
Our main specialties are, since 1976, Marine and Scientific instruments, Tobacco and Opium objects, Curiosities and Great Canes.
We participate to international antique fairs (TEFAF Maastricht) and are unique partner of the French Maritime Museum.
Eric Delalande is also Administrator of the French Experts National Company (C.N.E.).
Please visit also our two websites, which are frequently updated: (French) and (English). ----------------------------

La Galerie Delalande s'est installée en juin 2015 au 35 rue de Lille (75007 Paris), au coeur de la capitale dans le "Carré Rive Gauche", après 37 années de présence au Louvre des Antiquaires.
Nous nous sommes orientés, depuis 1976, vers plusieurs spécialités : Marine et Sciences, Objets du tabac et de l'Opium, Cannes de collection et Curiosités.
Nous participons à des salons d'envergure internationale (TEFAF Maastricht) et sommes partenaires exclusifs du Musée National de la Marine.
Eric Delalande est également Administrateur de la Compagnie Nationale des Experts (C.N.E.).
N'hésitez pas à visiter nos deux sites internet fréquemment mis à jour : (Français) and (Anglais).

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