Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Central Electricity Board, distribution map
Black print on cream paper with areas highlighted using coloured pens. Map of South and Mid Wales, with areas of South East and East Wales numbered and highlighted with coloured pens, in order to highlight electricity distribution. Key for the type of power line and station in top left (colour key) and key for the electricity distributing authorities in bottom left (number key). Drawing No. E.S. 149
Pwnc
Diwydiant
Rhif yr Eitem
81.95I
Mesuriadau
Meithder
(mm): 643
Lled
(mm): 912
Dosbarth
power generation and transmissionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.