Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Operating results with oridinary & enriched blast
Photocopy of a handwritten document, on cream paper. Table entitled 'Operating Results with Ordinary and Enriched Blast (Normal Slags).'
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/553
Mesuriadau
unfolded
(mm): 450
unfolded
(mm): 723
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