High-grade analysis using UV light makes the invisible, visible

In RESTAURO, issue 2/2010, Alexis Schilbach and Tilman Gruenewald investigate the advantages of crack repair using parchment in a seven-page specialist article, ‘Parchment covers in the restoration and crack repair of stringed instruments using traditional materials’. ("Pergamentbelege in der Restaurierung von Streichinstrumenten-Neue Wege in der Rissreparatur")

Design helps customers to orientate on the saturated marked of products. It also shapes the image of the suppliers and showes a constant quality of the brands.

Some special artisan techniques were performed/developed in the late 19th and widespread in the early 20th century, far from the working as luthiers at home in Grasslitz and Schoenbach.