Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mining Technology (journal)
June 1983 Vol. 65 No.752 40 pages stapled in centre. With paper inserts. One advertising Pikrose Railer, another giving the history of Pikrose and a cars invertation to Pikrose at ABMEC '83.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.