No.4, Published 1983

Millers at Turn & Elmbridge Mills, Worcestershire – Brown, A.F.
R.Stour – Pt.1:Stourport & Kidderminster – Gwilliam, H.W. & Tucker, Gordon
Bedfordshire Windmills – Dolman, Peter
Hazara – horizontal mills – Boucher, John K.G.
Water Turbine – development – Crabtree, J.A.
Etruscan Bone & Flint Mill, Etruria – Job, Barry & Green, Tony