1. Madonna, St John and Angels, Attributed to Michelangelo. After Cleaning and Retouching. Panel, 105 by 76 cm. (National Gallery, London.)
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2. Madonna Reproduced in Fig. 1, after Cleaning and before Retouching.
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3. X-Ray Photograph of the Madonna's Head in the Painting Reproduced in Figs. 1-2. Above the Forehead can be Seen a Large Knot in the Wood of the Panel. A Hollow Resulting from It Has Been Partially Filled with Lead Putty.
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4. X-Ray Photograph of the Child's Head in the Painting Reproduced in Figs. 1-2, Showing a Pentimento on the Child's Profile, an Incised Outline on the Bridge of the Nose: Typical Tempera Craquelure and Minute Holes in the Gesso.
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5. Infra-Red Photograph of Child's Legs and Madonna's Drapery in the Painting Reproduced in Figs. 1-2. The Drapery Shows the 'Hatching' Technique with Isolated Brushstrokes, but on the Right Hand Side of the Fold over the Child's Foot There are Instead the Marks of a Bristle Brush.
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The Cleaning and Restoration of the Glasgow Giorgione
10. Glasgow Adulteress before Christ after Cleaning and before Retouching. Note the Triangular Shape on the Woman's Skirt, Which is the Knee of the Figure Cut off.
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11. Detail of the Glasgow Adulteress before Christ after Cleaning and before Retouching. Cracks Are Due Partly to a Flaw in Giorgione's Technique, Partly to Neglect. Very Little Retouching Was Necessary on This Head.
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12. X-Ray Photograph of Adulteress's Head, Revealing That the Head Had Been Sketched in about 2 in. To the Left, in a More Upright Position.
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8. Adulteress before Christ, by Giorgione. (Corporation Art Gallery, Glasgow.) Before Cleaning and Restoration. Photograph Does Not Reveal Darkness of Varnish. Note: Christ's Knee Painted in Several Inches too High; Curls Added to His Hair; Back of His Head Repainted too Narrow; Woman's Left Hand Retouched.