Brass equatorial ring signed J. (Joseph) Jackson Fecit made circa 1760

Brass equatorial ring signed J. (Joseph) Jackson Fecit made circa 1760

POA

Dimensions

7,4 cm diameter x 10 cm high.

Circa

1760

Maker

J. (Joseph) Jackson

Country of manufacture

UK and Ireland

Category: Timekeeping

Description

Brass equatorial ring signed « J. (Joseph) Jackson Fecit ».

The meridian circle, on the signature side, bears a latitude scale 90-0-90.  On the other side a scale graduated from 0 to 90

centred on the pin hole on the opposite side.

The hour ring graduated on one side from I to XII twice and subdivided by 30 minutes, 15 minutes, 7,5 minutes. Inside the

same divisions.

The central bridge bears on one side the scale of the months and on the other the Zodiac with  Solar declination, and the mobile

cursor in the centre.

Presence of a small mobile throne supporting an iron ring.

Dimensions : 7,4 cm diameter x 10 cm high.

Made in England circa 1760.

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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: www.antiquites-delalande.fr (French) and www.delalande-antiques.com (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 : www.antiquites-delalande.fr (Français) and www.delalande-antiques.com (Anglais).

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