[
  {
    "@graph": [
      {
        "@context": "https://schema.org",
        "@type": "Vehicle",
        "name": "Calshot",
        "@id": "https://www.nationalhistoricships.org.uk/register/1/calshot#vessel",
        "url": "https://www.nationalhistoricships.org.uk/register/1/calshot",
        "mainEntityOfPage": "https://www.nationalhistoricships.org.uk/register/1/calshot",
        "identifier": {
          "@type": "PropertyValue",
          "name": "National Historic Ships Register Number",
          "value": "1"
        },
        "vehicleConfiguration": "Tug - Harbour/Coastal",
        "manufacturer": {
          "@type": "Organization",
          "name": "Thornycroft, J I  & Co Ltd, Woolston, Southampton"
        },
        "productionDate": "1929",
        "additionalProperty": [
          {
            "@type": "PropertyValue",
            "name": "Length Overall",
            "value": 44.81,
            "unitCode": "MTR"
          },
          {
            "@type": "PropertyValue",
            "name": "Registry Status",
            "value": "Archived"
          },
          {
            "@type": "PropertyValue",
            "name": "Function",
            "value": "Service Vessel"
          }
        ]
      },
      {
        "@context": "https://schema.org",
        "@type": "Vehicle",
        "name": "Branksome",
        "@id": "https://www.nationalhistoricships.org.uk/register/2/branksome#vessel",
        "url": "https://www.nationalhistoricships.org.uk/register/2/branksome",
        "mainEntityOfPage": "https://www.nationalhistoricships.org.uk/register/2/branksome",
        "identifier": {
          "@type": "PropertyValue",
          "name": "National Historic Ships Register Number",
          "value": "2"
        },
        "vehicleConfiguration": "Launch - Saloon",
        "manufacturer": {
          "@type": "Organization",
          "name": "Brockbank, George, Windermere"
        },
        "productionDate": "1896",
        "additionalProperty": [
          {
            "@type": "PropertyValue",
            "name": "Length Overall",
            "value": 15.24,
            "unitCode": "MTR"
          },
          {
            "@type": "PropertyValue",
            "name": "Current Location",
            "value": "Windermere"
          },
          {
            "@type": "PropertyValue",
            "name": "Registry Status",
            "value": "National Historic Fleet"
          },
          {
            "@type": "PropertyValue",
            "name": "Use",
            "value": "Museum based"
          },
          {
            "@type": "PropertyValue",
            "name": "Function",
            "value": "Leisure Craft"
          }
        ]
      }
    ]
  }
]