Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board, plan
Plan on greenish-white paper of the National Coal Board S.W. Division Area 3, plan of power supply interconnectors between collieries in Area 3. Blue ink drawing with some details drawn in green or red pencil. Place names handwritten in blue ink. In the bottom left hand corner there is a table containing a colour-coded key. Scale = 1" to a mile, Drawing No. E.MISC. 40A. Dated 2nd June 1950. Loose within peach card file with other documents relating to Powell Duffryn Electrical System.
Pwnc
Diwydiant
Rhif yr Eitem
83.184I/61 (2)
Derbyniad
Collected officially, 20/12/1983
Mesuriadau
unfolded
(mm): 390
unfolded
(mm): 532
Deunydd
papur
Lleoliad
In store
Dosbarth
power generation and transmissionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.