| Description | Letters about steam engines for Llanarmon lead mine and Plas Mostyn colliery, Denbighshire, Wales, from 1802 to 1804. Both mines were owned by William Wilkinson, younger brother of John Wilkinson. Several of the letters are from Wilkinson’s mine agent and partner Robert Burton.
For drawings of the engines see Portfolios 5/582, 5/593. |