Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Graph
Drawn and handwritten in pencil on graph paper. Two graphs drawn on one piece of graph paper. The smaller of the two graphs is entitled 'coal per unit' and refers to MD- (Middle Duffryn), and BNPH. The other, larger graph is entitled 'Diminishing value of plant at IT rate[?] of 5% on decreasing value' Loose within peach card file with other documents relating to Powell Duffryn Electrical System.
Pwnc
Diwydiant
Rhif yr Eitem
83.184I/61 (19)
Derbyniad
Collected officially, 20/12/1983
Mesuriadau
unfolded
(mm): 535
unfolded
(mm): 419
Deunydd
papur
Lleoliad
In store
Dosbarth
power generation and transmissionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.