Re: Message 1, 24 Apr 2017 Camille, it sounds as if your lining probably dates from the late eighteenth or early nineteenth century. I'm sorry that I don't have a French reference for you, but you might find this of interest:
Jones, R. 'Notes for Conservators on Wright of Derby's Technique and Studio Practice' in The Conservator No 15 1991 pp. 13-24, pp. 19,20. Ruth Bubb, ACR ****** Unsubscribe by sending a message to consdistlist-le...@cool.conservation-us.org Archives through August 2016 at http://cool.conservation-us.org/byform/mailing-lists/cdl/ Archives from September 2016 onward at https://www.mail-archive.com/consdistlist@cool.conservation-us.org/