Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Notes
Handwritten in pencil on off-white, blue ruled paper. Notes referring to compressed air production figures. Loose within pink/peach card file with other documents relating to Middle Duffryn and Bargoed High Pressure Station.
Pwnc
Diwydiant
Rhif yr Eitem
83.184I/62 (31)
Mesuriadau
Meithder
(mm): 324
Lled
(mm): 203
Dosbarth
power generation and transmissionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.