Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mining Technology (journal)
January 1979 Vol. 61 No. 699. 72 pages stapled in centre. With paper insert advertising B & K Laboratories Ltd. and a paper insert of a booking form for the Association of Mining Electrical and Mechanical Engineers, 70th Anniversary Dinner & Dance.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.