TUBE MOUNTED LASER BEAM EMITTING DEVICE TO BE USED AS A LEVEL FOR SIGHTINGS AND TRACINGS

摘要: Device associating a laser with spirit level in order to perform sightings and tracings particular, characterized by the fact that it includes calibrated tube (2) inside which solid-type emitting component (1) is mounted such way optical axis coincides of tube, means (8) reflecting beam direction perpendicular said axis, rotating on axis.