{
  "asset_id": "LUX-ASSET-000238",
  "edges": [
    {
      "confidence_level": "medium",
      "date": "1858",
      "description": "The imported Pencarrow Head Chance Brothers asset is modeled as a second-order fixed lens manufactured in 1858 for the upper Pencarrow lighthouse system.",
      "event_id": "HERITAGE-REL-000105",
      "id": "HERITAGE-REL-000105",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000238",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1858-1859",
      "description": "The Pencarrow Head tower kit arrived in Wellington in 480 packages in 1858, was transferred to Pencarrow Head, hauled up to the site, and was ready for the first lighting on 1 January 1859.",
      "event_id": "HERITAGE-REL-000114",
      "id": "HERITAGE-REL-000114",
      "relation_type": "installed_at",
      "source": "LUX-ASSET-000632",
      "target": "LUX-PLACE-000015"
    },
    {
      "confidence_level": "high",
      "date": "1859-01-01",
      "description": "Pencarrow Head’s permanent lighthouse was first lit on New Year’s Day 1859 and is treated as the installation context for the root Chance lens/light system.",
      "event_id": "HERITAGE-REL-000106",
      "id": "HERITAGE-REL-000106",
      "relation_type": "installed_at",
      "source": "LUX-ASSET-000238",
      "target": "LUX-PLACE-000015"
    },
    {
      "confidence_level": "high",
      "date": "1859-01-01",
      "description": "The upper Pencarrow permanent light entered service as New Zealand’s first permanent lighthouse.",
      "event_id": "HERITAGE-REL-000107",
      "id": "HERITAGE-REL-000107",
      "relation_type": "commissioned",
      "source": "LUX-ASSET-000238",
      "target": "LUX-PLACE-000015"
    },
    {
      "confidence_level": "medium",
      "date": "1860-1862",
      "description": "Chance Brothers supplied the earlier first-order fixed Tory Island optic.",
      "event_id": "HERITAGE-REL-000201",
      "id": "HERITAGE-REL-000201",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000668",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "medium",
      "date": "1877",
      "description": "Secondary apparatus history attributes the historical first-order optic to Chance Brothers.",
      "event_id": "HERITAGE-REL-000220",
      "id": "HERITAGE-REL-000220",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000577",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1889",
      "description": "Chance Brothers manufactured the Cape Byron red-sector light.",
      "event_id": "HERITAGE-REL-000214",
      "id": "HERITAGE-REL-000214",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000616",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1889",
      "description": "Chance Brothers manufactured the separate Cape Byron lantern component.",
      "event_id": "HERITAGE-REL-000218",
      "id": "HERITAGE-REL-000218",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000670",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1903",
      "description": "Chance Brothers manufactured the Norah Head first-order optic.",
      "event_id": "HERITAGE-REL-000210",
      "id": "HERITAGE-REL-000210",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000614",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1903",
      "description": "Chance Brothers manufactured the original Norah Head lantern.",
      "event_id": "HERITAGE-REL-000212",
      "id": "HERITAGE-REL-000212",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000615",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "medium",
      "date": "1909",
      "description": "Chance Heritage Trust catalogues a Chance Brothers fourth-order fixed lens manufactured in 1909 for the Lismore record; this relation records manufacture, not installation.",
      "event_id": "HERITAGE-REL-000226",
      "id": "HERITAGE-REL-000226",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000198",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1922-1923",
      "description": "Chance Brothers reconstructed the Barbier & Fenestre Tory apparatus in 1922/1923.",
      "event_id": "tory-optic-reconstruction-1922-1924",
      "id": "HERITAGE-REL-000196",
      "relation_type": "reconstructed_by",
      "source": "LUX-ASSET-000607",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "medium",
      "date": "1923-1928",
      "description": "The original Tory optic was sent to Chance Brothers in Smethwick for reconstruction.",
      "event_id": "HERITAGE-REL-000032",
      "id": "HERITAGE-REL-000032",
      "relation_type": "moved_to",
      "source": "LUX-ASSET-000607",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1923",
      "description": "Chance Brothers produced the Tory-retained biform configuration from the original lenses.",
      "event_id": "tory-optic-reconstruction-1922-1924",
      "id": "HERITAGE-REL-000197",
      "relation_type": "reconstructed_by",
      "source": "LUX-ASSET-000623",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1924-1928",
      "description": "Chance Brothers reconstructed the remaining panels for the Mew Island biform installation.",
      "event_id": "tory-optic-reconstruction-1922-1924",
      "id": "HERITAGE-REL-000198",
      "relation_type": "reconstructed_by",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1935",
      "description": "After the automated Baring Head light became operational in 1935, Pencarrow’s upper light was no longer the main approach light and was used solely as a day mark. This relation models navigational-function succession, not physical relocation of the Pencarrow optic or tower.",
      "event_id": "HERITAGE-REL-000109",
      "id": "HERITAGE-REL-000109",
      "relation_type": "navigation_function_transferred_to",
      "source": "LUX-ASSET-000238",
      "target": "LUX-PLACE-000017"
    },
    {
      "confidence_level": "medium",
      "date": "1935",
      "description": "Baring Head became operational in 1935 as the new automated light serving the Wellington Harbour approach.",
      "event_id": "HERITAGE-REL-000110",
      "id": "HERITAGE-REL-000110",
      "relation_type": "commissioned",
      "source": "LUX-ASSET-000631",
      "target": "LUX-PLACE-000017"
    },
    {
      "confidence_level": "high",
      "date": "1966",
      "description": "The lighthouse was transferred to the New Zealand Historic Places Trust in 1966 after it was no longer required as a navigational aid.",
      "event_id": "HERITAGE-REL-000111",
      "id": "HERITAGE-REL-000111",
      "relation_type": "transferred_to",
      "source": "LUX-ASSET-000238",
      "target": "LUX-PLACE-000015"
    },
    {
      "confidence_level": "high",
      "date": "1974-1980",
      "description": "A significant restoration project was completed between 1974 and 1980 by the Ministry of Works and Development at NZHPT request.",
      "event_id": "HERITAGE-REL-000112",
      "id": "HERITAGE-REL-000112",
      "relation_type": "restored",
      "source": "LUX-ASSET-000238",
      "target": "LUX-PLACE-000015"
    }
  ],
  "nodes": [
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000198",
      "is_root": false,
      "label": "Lismore Lighthouse: Chance Brothers fourth-order fixed lens",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000198/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000238",
      "is_root": true,
      "label": "Pencarrow Head Lighthouse Chance Brothers lens",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000238/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000577",
      "is_root": false,
      "label": "Casquets 1877 first-order Chance Brothers optic",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000577/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000607",
      "is_root": false,
      "label": "Tory Island 1887 Barbier & Fenestre hyper-radial optic",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000607/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000614",
      "is_root": false,
      "label": "Norah Head Chance Bros first-order bivalve dioptric Fresnel lens",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000614/"
    },
    {
      "asset_kind": "lantern",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000615",
      "is_root": false,
      "label": "Norah Head original Chance Bros cast-iron and copper lantern house",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000615/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000616",
      "is_root": false,
      "label": "Cape Byron Chance Bros red sector light",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000616/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000623",
      "is_root": false,
      "label": "Tory Island retained hyper-radial optic component",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000623/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000624",
      "is_root": false,
      "label": "The Great Light / Mew Island hyper-radial optic component",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000624/"
    },
    {
      "asset_kind": "tower",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000631",
      "is_root": false,
      "label": "Baring Head Lighthouse",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000631/"
    },
    {
      "asset_kind": "tower",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000632",
      "is_root": false,
      "label": "Pencarrow Head cast-iron lighthouse tower kit",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000632/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000668",
      "is_root": false,
      "label": "Tory Island 1862 first-order fixed optic",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000668/"
    },
    {
      "asset_kind": "lantern",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000670",
      "is_root": false,
      "label": "Cape Byron Chance Brothers lantern",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000670/"
    },
    {
      "asset_kind": "",
      "entity_type": "heritage_place",
      "id": "LUX-PLACE-000005",
      "is_root": false,
      "label": "Chance Brothers Smethwick Works",
      "latitude": null,
      "longitude": null,
      "place_type": "historical_location",
      "url": "/heritage-places/LUX-PLACE-000005/"
    },
    {
      "asset_kind": "",
      "entity_type": "heritage_place",
      "id": "LUX-PLACE-000015",
      "is_root": false,
      "label": "Pencarrow Head Lighthouse",
      "latitude": -41.3589061984,
      "longitude": 174.8500488537,
      "place_type": "historical_location",
      "url": "/heritage-places/LUX-PLACE-000015/"
    },
    {
      "asset_kind": "",
      "entity_type": "heritage_place",
      "id": "LUX-PLACE-000017",
      "is_root": false,
      "label": "Baring Head Lighthouse",
      "latitude": -41.408,
      "longitude": 174.871,
      "place_type": "historical_location",
      "url": "/heritage-places/LUX-PLACE-000017/"
    }
  ],
  "root_id": "LUX-ASSET-000238"
}