34. La Tempesta by Giorgione. 83 by 73 cm. (Gallerie dell'Accademia, Venice). The Area of Landscape Studied by Computer-Processed Infra-Red Reflectography Is Outlined in White.
Attributed works:
35. Infra-Red Reflectogram of Area Outlined in Fig.34. The Ordinary Infra-Red Reflectogram Reveals No Changes in This Area.
Attributed works:
36. Computer-Processed Infra-Red Reflectogram of the Same Area after subtraction of the Visual Image from the Ordinary (Infra-Red + Visual Image) Infra-Red Reflectogram. It Reveals That at an Earlier Stage of the Composition There Was behind the Truncated Columns a Square Tower of Which Only the Very Top with the Cupola Remains Visible in the Final Version. The Presence of the Tower Cannot Be Detected in the X-Radiograph.