Casgliadau Arlein

East Pit Winder, Elliot Colliery. Messrs. Powell Dyffryn Steam Coal Co. Ltd. 15' to 25' semi conical drum. Scale 3/4" to 1'. 10.11.64

Engineering blueprint with stencilled title across the bottom and a handwritten note in red pencil recording name of pit, serial number and date at bottom right-hand corner of drawing. Drawing has calculations at top centre handwritten in pencil and sketch in purple felt pen near centre. With white label stuck in bottom left-hand corner.