Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Research and Development in the Coal Industry (booklet)
National Coal Board
(publisher)
Content summary - booklet produced by the N.C.B. Mining Research Establishment to highlight its work in the field of underground instrumentation. 28 pages, undated.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/985
Creu/Cynhyrchu
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 253
Lled
(mm): 203
Deunydd
cerdyn
papur
metel
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.