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.
Hollandiae Antiquorum Catthorum..
This map shows Holland in great detail, including small towns, walled cities, rivers and lakes (many of which were reclaimed in the 17th century, and no longer exist). A coat of arms is in the upper left corner of the map image. In the ocean, there are many sailing ships and smaller fishing boats. An intricate compass rose is in the upper middle area. A very decorative map of the Dutch provinces of Friesland, Groningen and Drente and of the German Province of Friesland.
$750
Maker : ORTELIUS, A.
Place : Antwerp
Date : 1598
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[How the Indians cured the Spanish thirst for gold....by pouring it down their throats!]
A brutal scene depicting native Indians tying down Spanish men and pouring liquid gold down their throats. Scenes of cannibalism in the background.In 1631 Johann Ludwig Gottfried, inherited the Theodor De Bry’s publishing firm, among the illustrated accounts of the expeditions of Magellan, Columbus, Vespucci, Cortes, Balboa, Raleigh, Drake, Smith, and many others.Gottfried issued together with Matthaeus Merian a one-volume condensation "Newe Welt Vnd Americanische Historien/ Jnhaltende Warhaff...
$80
Maker : GOTTFRIED, J.L. / DE BRY.
Place : Frankfurt, M.Merian
Date : 1633
Little Egg Harbour.
A small sea chart showing Little Egg Harbour east of Tucker's Island. This map was published in the “American Coast Pilot”, a detailed guide to harbors, capes and headlands on the east coasts of North and South America. It includes information on winds, currents, tides as well as latitudes and longitudes. The American Coast Pilot was published between 1796 and 1861, until it was replaced by the US Coast Survey.Edmund March Blunt (1770–1862) was an American navigator, author, and publisher ...
$50
Maker : BLUNT, E.
Place : New York, 1817
Date : 1817
Nieuwe Wassende Graade Zee Kaart over de Spaanse Zee Vant Kanaal tot 't Eyland Cuba in Westindia. . .
¤ Engraved by I.van Anse. A very representative example of a Dutch chart of the Atlantic, showing the north-east coast of America, the coasts of Africa and Europe and South America, including Florida and the West Indies. Gerard issued ca. 40 charts of this exceptionally large format. Collections of these large-size charts were issued in the shining sea-torch and as separate atlases.Title in Dutch, French and English. North America from Labrador to West Florida, including New Foundland, the Gulf...
$3.000
Maker : VAN KEULEN, G.
Place : Amsterdam
Date : 1728
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- Paris, Ile-de-France, France
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- No pick-ups
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