ID: 114
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Very fine brass astronomical equinoctial ring with two brass circles.
BuyNow for $8.000
- Maker :
- JEAN-BAPTISTE NICOLAS DELURE À PARIS
- Place :
- Paris
- Date :
- ca. 1690
- Color :
- Uncoloured
- Height mm.:
- 160
- Width mm.:
- 160
- Condition :
- Diameter of the equinoctial ring is 10cm.
- Bibliography :
- A Butterfield ring dial of similar design but smaller, is illustrated in Sundial at Greenwich, Hester Highton, OUP 2001, page 200, catalogue no. 186.
- Seller's ref. :
- 48701
This item is offered by Paulus_Swaen_Old_Maps
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$8.000
Description
Very fine brass astronomical equinoctial ring with two brass circles with engraved foliage decoration, signed "Jean-Baptiste-Nicolas Delure A Paris", on the hanger ring.
The meridian ring is engraved with a latitude scale 90-0-90 degrees, reverse with a scale for determining solar altitude and zennith distance, an equinoctial ring with obverse engraved with hour scale in Roman numerals, the central bridge with pin-hole sliding over calendar and zodiac scales, 100 mm diam.
Jean-Baptiste-Nicolas Delure (1695-1766) was a renowned French instrument, globe maker and horologist was given the title "Ingénieur du Roi, juré en 1721-1723" (under the license of the king" (Louis the XIV) in 1721-1723). He was a Master and Juror of the Corporation des Fondeurs and appointed Ingénieur du Roi to Louis XIV. He had two workshops, both on Il de la Cite, Paris.
Jean-Baptiste-Nicolas Delure (1695-1766) was a renowned French instrument, globe maker and horologist was given the title "Ingénieur du Roi, juré en 1721-1723" (under the license of the king" (Louis the XIV) in 1721-1723). He was a Master and Juror of the Corporation des Fondeurs and appointed Ingénieur du Roi to Louis XIV. He had two workshops, both on Il de la Cite, Paris.
He was father-in-law to the fifth son of the eminent Parisian instrument maker Nicolas Bion.
Jean-Baptiste Nicolas Bion carried on both their businesses until around 1770.
Jean-Baptiste Nicolas Bion carried on both their businesses until around 1770.
The meridian ring is engraved with a latitude scale 90-0-90 degrees, the reverse with a scale for determining solar altitude and zenith distance, the quadrennials ring with obverse engraved with an hour scale in Roman numerals, the central bridge with pin-hole sliding over the calendar and zodiac scales, 100 mm diam.
This is a relatively large example of the classic pendant ring dial, useable anywhere on earth without a compass. Only the date and one's latitude are needed to determine the apparent solar time and even the North. the latitude can be determined using the quadrennial degree scale at the backside to measure the solar meridian altitude.
As the other stars appear to rotate, their position at any moment indicates the time. Sometimes called “horologium nocturnum” or “Nocturlabe” are related to the astrolabe and the sundials.
The mention of a dedicated instrument for its measurement was not found before the Middle Ages. The earlier image presenting the use of a nocturnal is in a manuscript dating from the 12th century.
Raymond Lull repeatedly described the use os a “Sphera horarum noctis”. With Martin Cortés de Albacar´s book “Arte de Navegar” published in 1551 the name and the instrument gained a larger popularity.
Timekeeping was very important to navigators at sea. Precise time was needed to use tide tables to enter harbors safely and also to regulate work shifts aboard.. Thus, the navigators could tell the time at night if the weather was clear.
The problem was that when the sky was obscured in foul weather, they had no way of knowing the exact time except by running the sand-glasses. By the middle of the 18th century, more accurate clocks became available, known as chronometers and the nocturnals fell out of use. Nocturnals are really simple analog computers. The nocturnal is simpler to use than other instruments requiring mathematical tables and trigonometry.
Etats-Unis de l'Amérique du nord.
Detailed map of North America, prepared by Charles V. Monin (fl.1830-1880) a French cartographer of Caen and Paris. Published in Atlas Universel de Géographie Ancienne &c Moderne en 42 Cartes dressé par C.V. Monin. Engraved by Laguillermie.
$75
Maker : MONIN, C.V.
Place : Paris
Date : 1845
L'Amerique divisée en ses principaux Etats..
Uncommon map published by Lattré. This map is most notable for its depiction of "Mer de L'Ouest" or "Sea of the West". A great sea, easily the size of the Mediterranean, to flow from the then-known Strait of Juan de Fuca. Showing an opening to the ocean from this great sea at roughly in North California or Oregon and Quivira somewhere in Idaho. Fattening Alaska and appropriately leaving blank the unknown parts of Northern America. Listing Indian nations, towns such as Santa Fe.
$900
Maker : JANVIER,Sr.
Place : Paris
Date : 1760
Les Provinces des Pais Bas Autrichiens contenants en XXIV Feuilles les comtées d'Artois, de Flandres, de Hainaut, de Namur et des Duchées de Luxembourg…
Rare wall map of the Catholic of Austrian Low Countries, roughly the southern part of present-day The Netherlands, Belgium and Luxembourg. Map has some large cartouches, ships in the North Sea.
$1.500
Maker : SEUTTER, M.
Place : Augsburg, 1725
Date : 1725
[How the Inca nobility are buried] / [Bridge of Huaynacapaco]
Two engravings. [470] The funeral of an Inca king was a ceremony of great splendor. After digging a large pit, the Indians would decorate the corpse with gold and silver then bury it with many fine ornaments, along with good food and wine to help it on its way into the next world. Benzoni so described the burial of Huayna-Capac, whose grave he said was on the border of the province of Quito. When the Spanish first went to Peru, they discovered and pillaged many such graves.[469] Much of Ecuador ...
$80
Maker : GOTTFRIED, J.L. / DE BRY.
Place : Frankfurt, M.Merian
Date : 1633
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Terms and conditions - Item Location
- 75013, Ile-de-France, France
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- No pick-ups
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