Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
BICC Bulletin (journal)
Number 32 May 1963. 32 page journal with colour and black and white photographs. Stapled at centre. Article on page 24 "According to programme Electronic computers at Spencer Steelworks".
Pwnc
Diwydiant
Rhif yr Eitem
2011.57/2
Mesuriadau
Meithder
(mm): 279
Lled
(mm): 216
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.