ALT A map of europe is displayed. Member states of E.C.C.O are orange marked.

ALT Poster with a red backround and a broken Vase. The Text says “In guten Händen”

ALT NaCl: Sodium chloride crystals in polarised light with analyser. NaCl is cubic and isotropic.

ALT NaHCO3. Photograph taken with crossed polarizers, red I. crystallised from a drop of pure salt solution on a microscope slide.

ALT Kartause Mauerbach

ALT In the centre is a glass bowl with a white-blue glowing powder against a black background. It shows the fluorescence of optical brighteners under ultraviolet radiation

ALT four paper samples lie next to each other in a tile shape. the papers are bright white in places and yellowish in others.

ALT the same four paper samples from the previous image under UV radiation. the papers are bright white-blue in places, with dark spots in places.

ALT Plakat des 12. Studierendenkolloquium der Studiengänge Restaurierung und Konservierung. Die Veranstaltung findet am 10. und 11.06.2023 an der TH Köln statt.

ALT A colourful wood cross section. Horizontally oriented wood cells in the top third of the image are dyed in bright cyan and appear almost transparent, while the bottom half of the image shows more cells cut head on in a brown colour. The cavities are filled with shades of blue and cyan. The area between the two strips of wood cells is filled with a transparent, clear and crystalline material, which allow the view into areas beneath the surface.

ALT Two pairs of text on the left with a close up of an eye on the right. The upper half shows the text “What I see” and next to it a close up shot of the painted eye of a wooden sculpture, enlarged by a magnifying glass. On the bottom half is the text “What the object sees” with a picture of the same magnifying glass, this time with an enlarged human eye looking through it.

ALT Detail of a person preparing paint by grinding pigment and binding media. The main focus is a hand using a glass muller to grind the green pigment on a white plate. In front of the plate there are several pieces of paper on which the green paint has been applied.

ALT Close up shot of the tile and paint preparation. On the left there is a puddle of bright green paint, on the right there is a brush with green colour on the tip.

ALT A stack of small books with bright green book edges is lying on a table.

ALT A wooden arc with carved details is covered with thick deposits of dirt. The surface of the object itself is dark while the dirt has a very light colour and covers large parts of the surface.

ALT The wooden arc after cleaning. The dark surface and delicate carved details are now visible again.

ALT On the photo you can see a swing chair in the style of thonet seen from the side in front of a white curtain. The seat is broken.

ALT The photo of the eye is presented in a PowerPoint presentation. A woman stands next to a laptop for the presentation and another sits in front of it.

ALT Winterly landscape with lots of snow, blue sky, mountains and a castle in the distance.

ALT Detail image of the archangel gabriel and the gilded and punched background of a panel painting at the Wallraf-Richartz-Museum & Fondation Corboud.

ALT Micorscopic image of the gilded, punched background, showing the round punch marks consisting of two semicircles.

ALT Micorscopic image of the gilded, punched background, showing the round punch marks consisting of two semicircles.

ALT A smart phone is placed in the middle of the picture, capturing the scene behind. Two students are examining a sculpture placed on a table.

ALT View over the shoulder of two students with dark hair examining a sculpture in front of them with a magnifying glass. One student is taking a picture with her smart phone.

ALT Two students are looking at a small sculpture in front of them. One ist holding a magnifying glass and the other is taking a picture of the scene with her smart phone.

ALT Four students seen from the back are kneeling around a furniture, closely examining its surface. One is taking a picture with her smartphone.