Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board course notes
Briefing notes from a training course held in 1962 for Colliery Managers titled 'Mechanisation and Concentration'. Three pages, stapled.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/616
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 205
Dosbarth
education and trainingNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.