-A publication collecting the papers from the CATS conference, Technology & Practice: Studying the European Visual Arts 1800-1850 This publication contains papers from the CATS conference - Technology & Practice: Studying the European Visual Arts 1800-1850. The conference focused on artists' techniques and materials, written sources, conservation science, the history of science and technology, history of trade, and innovation of artists' materials during the first half of the 19th century. In the preceding several decades a succession of art academies emerged throughout Europe, and another focal point of the conference was the impact of these institutions on a new generation of artists, examining how this manifested itself in their paintings, sculpture, interiors and art on paper.