{
  "$type": "site.standard.document",
  "description": "A laser light referencing tool comprises laser means (314) for emitting a visible laser beam, portable power means for powering the laser means, and gravity-responsive directional means for establishing a datum director for the laser means, the gravity-responsive directional means preferably being…",
  "path": "/patents/1078691",
  "publishedAt": "2005-04-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C15/002",
    "WILLIAMS NIGEL EMLYN [GB]"
  ],
  "textContent": "A laser light referencing tool comprises laser means (314) for emitting a visible laser beam, portable power means for powering the laser means, and gravity-responsive directional means for establishing a datum director for the laser means, the gravity-responsive directional means preferably being batteries (208) contained within a cylindrical housing (301) which is axially attached to another cylindrical housing (302) in such a manner that the relative rotational positions of the two cylindrical housings (301,302) are controlled by friction.",
  "title": "Laser light referencing tool"
}