Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Bargoed & Mid. Duffryn Power St., efficiency tests
Typed in black ink on thin, off-white paper. The last page is handwritten in pencil on off-white paper. 18-page document containing data on the power efficiency tests carried out at the Powell Duffryn Electrical system between 12 April 1947 and 10th May 1947. 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 (59)
Creu/Cynhyrchu
unknown
Dyddiad: 05/1947
Derbyniad
Collected officially, 20/12/1983
Mesuriadau
Meithder
(mm): 336
Lled
(mm): 210
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.