This is the second CATS Conference Proceedings with papers from the international conference: Technology & Practice: Studying 18th Century Paintings & Art on Paper. The conference was organised by CATS in collaboration with Helsinki Metropolia University of Applied Science in Helsinki, Finland; National museum in Stockholm, Sweden, and University of Oslo, Norway. The conference focused on artists techniques and materials, source research, conservation science, the history of science and technology, trade and pharmacy during the 18th century. Speakers explored tradition and changes in artistic...