The check of important monuments with topographical methodologies

The static control of architectural monuments has some important and impressive applications in topographical methodologies. Two interesting examples of the topographic control methods concern the very famous Byzantine S. Marco Basilica in Venice and the Cathedral of Como, situated in the North of Italy. The measurements carried out in the static control field are in reference to the: lengths variation, transversal variation according to a specific direction and height variation. In the paper, one can find the description of the instruments and of the methodologies employed in the static control