{ "items" : [
    { "id" : "http://dbpedia.org/resource/Stonyhurst_disks"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A Stonyhurst disk is a transparent circular grid with lines of longitude and latitude that can overlay a solar image to reference the positions of  sunspots. This overlay system was originally created at the Stonyhurst College observatory."] } } }
