Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Abernant Colliery, docs. re sinking of new shaft
Printed in black ink on off-white paper. National Coal Board S.W. Division Area No.9. Line Diagram of Surface Electrical Distribution, Abernant Colliery Sheet 2 of 2 : LT Distribution Dated May 1955.
Pwnc
Diwydiant
Rhif yr Eitem
88.99I/30
Mesuriadau
Meithder
(mm): 549
Lled
(mm): 788
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.