![Brass equinoctial astronomical ring with two circles, engraved with foliate scrolls.
Graduated circles with the names of 18 cities or countries, including Lima, Goa, St Domingue, La Martinique, Quebec and Siam.
Signed "DELURE APARIS".
Suspension ring.
FRANCE, first third of the 18th century.
H. 12.5 cm - Diam. 9.5 cm.
Unlockable slider. Ovalized ring. A few scratches and minor wear; minor oxidation.
Jean-Baptiste Nicolas DELURE, manufacturer of mathematical and astronomical instruments, active in Paris between 1695 and 1736.
He was appointed "King's Engineer" by Louis XIV around 1705 and was a juror of the Corporation of Founders between 1721 and 1723.
He had two addresses on the Île de la Cité, under the signs "A l'image Notre Dame" and "Au Roziée blanc".
Bibliography:
Denis Beaudouin, Paolo Brenni & Anthony Turner, "Dictionary of precision Instrument-makers and related craftsmen", 2018 [Ark :/18469/1rf74. 1490].
A similar ring was sold by Aguttes at the Randier Collection auction on May 15, 2023 [Lot 200, Diam. 9.4 cm] in Neuilly sur Seine.](https://cdn.drouot.com/d/lot/fullHD/58/179568/7241ac3b180daa37dee730c3276ca2ee)
Brass equinoctial astronomical ring with two circles, engraved with foliate scrolls. Graduated circles with the names of 18 cities or countries, including Lima, Goa, St Domingue, La Martinique, Quebec and Siam. Signed "DELURE APARIS". Suspension ring. FRANCE, first third of the 18th century. H. 12.5 cm - Diam. 9.5 cm. Unlockable slider. Ovalized ring. A few scratches and minor wear; minor oxidation. Jean-Baptiste Nicolas DELURE, manufacturer of mathematical and astronomical instruments, active in Paris between 1695 and 1736. He was appointed "King's Engineer" by Louis XIV around 1705 and was a juror of the Corporation of Founders between 1721 and 1723. He had two addresses on the Île de la Cité, under the signs "A l'image Notre Dame" and "Au Roziée blanc". Bibliography: Denis Beaudouin, Paolo Brenni & Anthony Turner, "Dictionary of precision Instrument-makers and related craftsmen", 2018 [Ark :/18469/1rf74. 1490]. A similar ring was sold by Aguttes at the Randier Collection auction on May 15, 2023 [Lot 200, Diam. 9.4 cm] in Neuilly sur Seine.
Estimate
€1,000 - €1,300
Result
€3,200
Buyer's premium
26%
Brass equinoctial astronomical ring with two circles, engraved with foliate scrolls.
Graduated circles with the names of 18 cities or countries, including Lima, Goa, St Domingue, La Martinique, Quebec and Siam.
Signed "DELURE APARIS".
Suspension ring.
FRANCE, first third of the 18th century.
H. 12.5 cm - Diam. 9.5 cm.
Unlockable slider. Ovalized ring. A few scratches and minor wear; minor oxidation.
Jean-Baptiste Nicolas DELURE, manufacturer of mathematical and astronomical instruments, active in Paris between 1695 and 1736.
He was appointed "King's Engineer" by Louis XIV around 1705 and was a juror of the Corporation of Founders between 1721 and 1723.
He had two addresses on the Île de la Cité, under the signs "A l'image Notre Dame" and "Au Roziée blanc".
Bibliography:
Denis Beaudouin, Paolo Brenni & Anthony Turner, "Dictionary of precision Instrument-makers and related craftsmen", 2018 [Ark :/18469/1rf74. 1490].
A similar ring was sold by Aguttes at the Randier Collection auction on May 15, 2023 [Lot 200, Diam. 9.4 cm] in Neuilly sur Seine.