Archive6418909TitleCWC_01_01_04 - RCAHMW Collieries Publication CollectionLevelItemDescriptionMeasured drawing (permatrace) of transmission lines and the distribution of power to pits. As published on p. 16 of Collieries in Wales: Engineering and Architecture by S. Hughes et alMediumGraphic.Imagesn
Archive6418910TitleCWC_01_01_05 - RCAHMW Collieries Publication CollectionLevelItemDescriptionMeasured drawing of transmission lines and the distribution of power to pits. Enlargement of CWC/01/01/04. As published on p. 16 of Collieries in Wales: Engineering and Architecture by S. Hughes et alMediumGraphic.Imagesn
