{
  "asset_id": "LUX-ASSET-000619",
  "edges": [
    {
      "confidence_level": "medium",
      "date": "",
      "description": "Tory Island Chance Brothers hyper-radial optic installed at host LUX-PLACE-000004",
      "event_id": "HERITAGE-REL-000047",
      "id": "HERITAGE-REL-000047",
      "relation_type": "installed_in",
      "source": "LUX-ASSET-000607",
      "target": "LUX-PLACE-000004"
    },
    {
      "confidence_level": "medium",
      "date": "",
      "description": "Tory Island retained hyper-radial optic component installed at host LUX-PLACE-000004",
      "event_id": "HERITAGE-REL-000048",
      "id": "HERITAGE-REL-000048",
      "relation_type": "installed_in",
      "source": "LUX-ASSET-000623",
      "target": "LUX-PLACE-000004"
    },
    {
      "confidence_level": "medium",
      "date": "",
      "description": "The Great Light / Mew Island hyper-radial optic component installed at host LUX-PLACE-000008",
      "event_id": "HERITAGE-REL-000049",
      "id": "HERITAGE-REL-000049",
      "relation_type": "installed_in",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000008"
    },
    {
      "confidence_level": "medium",
      "date": "",
      "description": "Tory Island Chance Brothers hyper-radial optic installed at host LUX-LH-000554",
      "event_id": "HERITAGE-REL-000084",
      "id": "HERITAGE-REL-000084",
      "relation_type": "installed_in",
      "source": "LUX-ASSET-000607",
      "target": "LUX-LH-000554"
    },
    {
      "confidence_level": "medium",
      "date": "",
      "description": "Cape North relocated Chance Brothers Fresnel lens installed at host LUX-LH-000521",
      "event_id": "HERITAGE-REL-000096",
      "id": "HERITAGE-REL-000096",
      "relation_type": "installed_in",
      "source": "LUX-ASSET-000619",
      "target": "LUX-LH-000521"
    },
    {
      "confidence_level": "high",
      "date": "1887",
      "description": "The original Tory Island hyper-radial optic is modeled as a Chance Brothers manufactured object for the Heritage Journeys showcase.",
      "event_id": "HERITAGE-REL-000029",
      "id": "HERITAGE-REL-000029",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000607",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "high",
      "date": "1887",
      "description": "The original hyper-radial optic was installed in the Tory Island Lighthouse context in 1887.",
      "event_id": "HERITAGE-REL-000030",
      "id": "HERITAGE-REL-000030",
      "relation_type": "installed_at",
      "source": "LUX-ASSET-000607",
      "target": "LUX-PLACE-000004"
    },
    {
      "confidence_level": "medium",
      "date": "1887-1923",
      "description": "The original hyper-radial optic was historically part of the Tory Island Lighthouse optical system before reconstruction.",
      "event_id": "HERITAGE-REL-000046",
      "id": "HERITAGE-REL-000046",
      "relation_type": "historically_part_of",
      "source": "LUX-ASSET-000607",
      "target": "LUX-PLACE-000004"
    },
    {
      "confidence_level": "medium",
      "date": "1908",
      "description": "Public reference sources report that the Cape North Fresnel lens was made by Chance Brothers in England.",
      "event_id": "HERITAGE-REL-000050",
      "id": "HERITAGE-REL-000050",
      "relation_type": "manufactured_by",
      "source": "LUX-ASSET-000619",
      "target": "LUX-PLACE-000005"
    },
    {
      "confidence_level": "medium",
      "date": "1908",
      "description": "The Cape North Chance Brothers Fresnel lens was installed at Cape North Lighthouse in 1908.",
      "event_id": "HERITAGE-REL-000051",
      "id": "HERITAGE-REL-000051",
      "relation_type": "installed_at",
      "source": "LUX-ASSET-000619",
      "target": "LUX-PLACE-000009"
    },
    {
      "confidence_level": "medium",
      "date": "1923-1928",
      "description": "The original Tory optic was removed from its original configuration before reconstruction into two biform optics.",
      "event_id": "HERITAGE-REL-000031",
      "id": "HERITAGE-REL-000031",
      "relation_type": "removed_from",
      "source": "LUX-ASSET-000607",
      "target": "LUX-PLACE-000004"
    },
    {
      "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": "medium",
      "date": "1923-1928",
      "description": "One derived biform component continued the Tory Island optic lineage.",
      "event_id": "HERITAGE-REL-000033",
      "id": "HERITAGE-REL-000033",
      "relation_type": "split_into",
      "source": "LUX-ASSET-000607",
      "target": "LUX-ASSET-000623"
    },
    {
      "confidence_level": "high",
      "date": "1923-1928",
      "description": "The Mew Island / Great Light component derives from the divided Tory Island hyper-radial optic.",
      "event_id": "HERITAGE-REL-000034",
      "id": "HERITAGE-REL-000034",
      "relation_type": "split_into",
      "source": "LUX-ASSET-000607",
      "target": "LUX-ASSET-000624"
    },
    {
      "confidence_level": "medium",
      "date": "1923-1928",
      "description": "The Tory-retained biform component is derived from the original Tory Island hyper-radial optic.",
      "event_id": "HERITAGE-REL-000035",
      "id": "HERITAGE-REL-000035",
      "relation_type": "derived_from",
      "source": "LUX-ASSET-000623",
      "target": "LUX-ASSET-000607"
    },
    {
      "confidence_level": "high",
      "date": "1923-1928",
      "description": "The Mew Island / Great Light component is derived from the original Tory Island hyper-radial optic.",
      "event_id": "HERITAGE-REL-000036",
      "id": "HERITAGE-REL-000036",
      "relation_type": "derived_from",
      "source": "LUX-ASSET-000624",
      "target": "LUX-ASSET-000607"
    },
    {
      "confidence_level": "high",
      "date": "1923",
      "description": "The Tory-retained biform component continued in service at Tory Island.",
      "event_id": "HERITAGE-REL-000037",
      "id": "HERITAGE-REL-000037",
      "relation_type": "installed_at",
      "source": "LUX-ASSET-000623",
      "target": "LUX-PLACE-000004"
    },
    {
      "confidence_level": "high",
      "date": "1928",
      "description": "The Mew Island / Great Light component was installed at Mew Island Lighthouse in 1928.",
      "event_id": "HERITAGE-REL-000038",
      "id": "HERITAGE-REL-000038",
      "relation_type": "installed_at",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000006"
    },
    {
      "confidence_level": "medium",
      "date": "1980",
      "description": "Reviewed sources associate the Cape North Chance Brothers Fresnel lens with museum custody in Ottawa.",
      "event_id": "HERITAGE-REL-000023",
      "id": "HERITAGE-REL-000023",
      "relation_type": "transferred_to",
      "source": "LUX-ASSET-000619",
      "target": "LUX-PLACE-000003"
    },
    {
      "confidence_level": "medium",
      "date": "1980",
      "description": "Reviewed museum-host context for the Cape North Chance Brothers lens in Ottawa.",
      "event_id": "HERITAGE-REL-000024",
      "id": "HERITAGE-REL-000024",
      "relation_type": "displayed_at",
      "source": "LUX-ASSET-000619",
      "target": "LUX-PLACE-000003"
    },
    {
      "confidence_level": "medium",
      "date": "1980",
      "description": "Reviewed sources associate the Cape North lens with later removal from the lighthouse context; exact date still needs primary confirmation.",
      "event_id": "HERITAGE-REL-000052",
      "id": "HERITAGE-REL-000052",
      "relation_type": "removed_from",
      "source": "LUX-ASSET-000619",
      "target": "LUX-PLACE-000009"
    },
    {
      "confidence_level": "medium",
      "date": "1980",
      "description": "The Cape North Chance Brothers lens is associated with museum custody context at the Canada Science and Technology Museum in Ottawa.",
      "event_id": "HERITAGE-REL-000053",
      "id": "HERITAGE-REL-000053",
      "relation_type": "current_location",
      "source": "LUX-ASSET-000619",
      "target": "LUX-PLACE-000003"
    },
    {
      "confidence_level": "high",
      "date": "2014",
      "description": "The Mew Island hyper-radial optic was removed from Mew Island in 2014.",
      "event_id": "HERITAGE-REL-000039",
      "id": "HERITAGE-REL-000039",
      "relation_type": "removed_from",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000006"
    },
    {
      "confidence_level": "medium",
      "date": "2014",
      "description": "The removed Mew Island optic was restored in the Irish Lights workshop before public display.",
      "event_id": "HERITAGE-REL-000040",
      "id": "HERITAGE-REL-000040",
      "relation_type": "restored_by",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000007"
    },
    {
      "confidence_level": "medium",
      "date": "2014-2015",
      "description": "After restoration, the optic was moved to Belfast's Titanic Quarter display context.",
      "event_id": "HERITAGE-REL-000041",
      "id": "HERITAGE-REL-000041",
      "relation_type": "moved_to",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000008"
    },
    {
      "confidence_level": "high",
      "date": "2015",
      "description": "The restored optic is publicly displayed as The Great Light in Belfast.",
      "event_id": "HERITAGE-REL-000042",
      "id": "HERITAGE-REL-000042",
      "relation_type": "displayed_at",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000008"
    },
    {
      "confidence_level": "high",
      "date": "2015",
      "description": "The Great Light display site is the current public location of the Mew Island optic component.",
      "event_id": "HERITAGE-REL-000043",
      "id": "HERITAGE-REL-000043",
      "relation_type": "current_location",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000008"
    },
    {
      "confidence_level": "high",
      "date": "2015",
      "description": "The Mew Island component is preserved for public heritage interpretation at The Great Light.",
      "event_id": "HERITAGE-REL-000044",
      "id": "HERITAGE-REL-000044",
      "relation_type": "preserved_at",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000008"
    },
    {
      "confidence_level": "high",
      "date": "2015",
      "description": "The public name The Great Light refers to the restored Mew Island hyper-radial optic component in its Belfast display identity.",
      "event_id": "HERITAGE-REL-000045",
      "id": "HERITAGE-REL-000045",
      "relation_type": "same_identity_as",
      "source": "LUX-ASSET-000624",
      "target": "LUX-PLACE-000008"
    }
  ],
  "nodes": [
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000607",
      "is_root": false,
      "label": "Tory Island Chance Brothers 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-000619",
      "is_root": true,
      "label": "Cape North relocated Chance Brothers Fresnel lens",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000619/"
    },
    {
      "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": "",
      "entity_type": "",
      "id": "LUX-LH-000521",
      "is_root": false,
      "label": "LUX-LH-000521",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": ""
    },
    {
      "asset_kind": "",
      "entity_type": "",
      "id": "LUX-LH-000554",
      "is_root": false,
      "label": "LUX-LH-000554",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": ""
    },
    {
      "asset_kind": "",
      "entity_type": "heritage_place",
      "id": "LUX-PLACE-000003",
      "is_root": false,
      "label": "Canada Science and Technology Museum",
      "latitude": 45.4031,
      "longitude": -75.6184,
      "place_type": "museum",
      "url": "/heritage-places/LUX-PLACE-000003/"
    },
    {
      "asset_kind": "",
      "entity_type": "heritage_place",
      "id": "LUX-PLACE-000004",
      "is_root": false,
      "label": "Tory Island Lighthouse",
      "latitude": 55.272617,
      "longitude": -8.2494,
      "place_type": "historical_location",
      "url": "/heritage-places/LUX-PLACE-000004/"
    },
    {
      "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-000006",
      "is_root": false,
      "label": "Mew Island Lighthouse",
      "latitude": 54.698717,
      "longitude": -5.513733,
      "place_type": "historical_location",
      "url": "/heritage-places/LUX-PLACE-000006/"
    },
    {
      "asset_kind": "",
      "entity_type": "heritage_place",
      "id": "LUX-PLACE-000007",
      "is_root": false,
      "label": "Irish Lights workshop, Dun Laoghaire",
      "latitude": null,
      "longitude": null,
      "place_type": "storage",
      "url": "/heritage-places/LUX-PLACE-000007/"
    },
    {
      "asset_kind": "",
      "entity_type": "heritage_place",
      "id": "LUX-PLACE-000008",
      "is_root": false,
      "label": "The Great Light, Belfast",
      "latitude": 54.601944,
      "longitude": -5.910278,
      "place_type": "display_site",
      "url": "/heritage-places/LUX-PLACE-000008/"
    },
    {
      "asset_kind": "",
      "entity_type": "heritage_place",
      "id": "LUX-PLACE-000009",
      "is_root": false,
      "label": "Cape North Lighthouse",
      "latitude": 46.097222,
      "longitude": -59.857778,
      "place_type": "historical_location",
      "url": "/heritage-places/LUX-PLACE-000009/"
    }
  ],
  "root_id": "LUX-ASSET-000619"
}