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  "@id": "https://heritage.tudelft.nl/iiif/manifests/28cf41ec-1d99-4446-ab6a-677c23098458/schema.json",
  "name": "Zahnkreis-theodoliet door Gustav Heyde",
  "description": "Zahnkreis-theodoliet door Gustav Heyde Gesellschaft für Optik und Feinmechanik. Geodetisch meetinstrument voor het bepalen van horizontale hoeken voor veelhoeksmeting. \nDit is een 'Zahnkreis-repetitietheodoliet' voor het meten van horizontale richtingen op een vast stelschroevenblok. In 1896 construeerde Gustav Heyde een theodoliet met een speciale afleesmethode waarbij een horizontale rand met 360 tanden (Zahnkreis theodolite) gebruikt werd.",
  "identifier": "2000.0094.GEO",
  "temporalCoverage": "1896/1905",
  "exampleOfWork": {
    "@type": "CreativeWork",
    "name": "theodoliet",
    "sameAs": "http://vocab.getty.edu/aat/300199711"
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  "material": [
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      "@type": "Product",
      "name": "metaal",
      "sameAs": "http://vocab.getty.edu/aat/300010900"
    },
    {
      "@type": "Product",
      "name": "glas"
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  ],
  "creator": {
    "@type": "Role",
    "roleName": "producent",
    "creator": {
      "@type": "Organization",
      "name": "Gustav Heyde Gesellschaft für Optik und Feinmechanik"
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  },
  "locationCreated": {
    "@type": "Place",
    "address": "Dresden, Duitsland",
    "latitude": 51.05089,
    "longitude": 13.73832,
    "sameAs": "https://www.geonames.org/2935022"
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  "height": {
    "@type": "QuantitativeValue",
    "unitCode": "MMT",
    "value": 290
  },
  "width": {
    "@type": "QuantitativeValue",
    "unitCode": "MMT",
    "value": 220
  },
  "depth": {
    "@type": "QuantitativeValue",
    "unitCode": "MMT",
    "value": 155
  },
  "citation": "G. Heyde Preisliste 1912 op blz 36 staat vanaf 1896 geconstrueerd. Zeitschrift für Vermessungskunde 1896 blz 652; 1905 blz 2; 1911 blz 429 en 430.",
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