John Thorp, an expert on ornamental plasterwork, will describe the history of decorative plasterwork in Devon from 1550 to 1720, tracing its spread from aristocratic houses to the lower gentry and eventually the more prosperous farmers.

Tickets £4.50 (£3) are available in person or by phone using a credit or debit card on 01392 265858 during opening museum opening hours.

www.rammuseum.org.uk