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HELIOTROPE [3 records]

Record 1 - external organization data 2021-03-18

English

Subject field(s)
  • Compartment – Nomenclature 4.0
  • Museums and Heritage (General)
OBS

heliotrope: an item in the "Surveying and Navigational Tools and Equipment" class of the "Tools and Equipment for Science and Technology" category.

French

Domaine(s)
  • Tiroir – Nomenclature 4.0
  • Muséologie et patrimoine (Généralités)
OBS

héliotrope : objet de la classe «Équipement de navigation» de la catégorie «Outillage et équipement pour les sciences et la technologie».

Spanish

Save record 1

Record 2 2015-02-03

English

Subject field(s)
  • Mineralogy
  • Gemmology
  • Jewellery
DEF

A semitranslucent and leek-green or dark-green variety of chalcedony speckled with red or brownish-red spot of jasper resembling drops of blood.

Key term(s)
  • red jasper

French

Domaine(s)
  • Minéralogie
  • Gemmologie
  • Joaillerie et bijouterie
DEF

Variété d'agate verte avec taches à reflets rouges.

CONT

Le jaspe [...] est une calcédoine opaque, intensément colorée, et forme l'héliotrope quand il possède une couleur verte avec des taches rouge vif.

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Estudio de las gemas
  • Artículos de joyería
DEF

Jaspe verde, con manchas rojas.

Save record 2

Record 3 2001-11-06

English

Subject field(s)
  • Surveying Instruments
  • Mathematical Geography
DEF

An instrument used in geodetic surveying to aid in making long-distance (up to 320 km) observations and composed of one or more plane mirrors so mounted and arranged that a beam of sunlight may be reflected by it in any desired direction (such as toward a distant survey station where it can be observed with a theodolite).

OBS

It is sometimes used as an observation signal in triangulation.

French

Domaine(s)
  • Instruments d'arpentage
  • Géographie mathématique
DEF

Instrument servant à renvoyer les rayons solaires à grande distance et servant à faire des signaux convenus.

Spanish

Save record 3

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