Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Powered Supports (booklet)
National Coal Board training booklet. Content summary - 'general principles for the safe and effective operation of powered support systems on mechanised faces'. 15 pages, stapled at centre.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/811
Mesuriadau
Meithder
(mm): 132
Lled
(mm): 203
Dosbarth
roof supportNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.