Plans of Maesteg Iron Works. Plan of gin pit and North coal mine plan of workings; South Wales Institute of Engineers members ticket (Thomas Getrych Davies); Photograph of William Davies (1802-1870), agent of Llynfi Mineral Works.
Extracts from family bible of William Davies, Maesteg recording family births and baptisms.
Plan of Duffryn Llynvi Porthcawl Railway. Section of Rail Road proposed to be made from Bryn Colliery to Duffryn Llynvi Iron Works.
Register of Baptisms, kept by William Morgan, minister of Carmel Chapel.