Brass equatorial ring signed I Sisson fecit made in London circa 1720.

Brass equatorial ring signed I Sisson fecit made in London circa 1720.



diameter 17.5 cm x total height 22 cm



Country of manufacture

UK and Ireland

Category: Timekeeping


Brass equatorial ring signed “I Sisson fecit”.

On the signature side the outer ring is graduated 90 – 0 – 80 degrees. The inner ring (horary circle) is graduated I – XII twice in Roman numbers with graduations that extend into the circle.

In the centre is a bridge indicating on one side the calendar months and on the other side a zodiacal scale (with signs) and the declination of the sun. In the centre is the mobile cursor with two holes. The equinox is on March 10.

On the other side the outer ring is graduated with a scale from 0 to 90, the inner circle is not graduated.

The whole is set in a brass circle held by a screw in the lower part and with a suspension ring in the upper part.

Size: diameter 17.5 cm x total height 22 cm.

England dated around 1720.

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FR 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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