Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Blast furnace data and their correlation (article)
"Blast Furnace Data and their Correlation." Paper by Messrs Evans & Bailey, circulated by the National Federation of Iron & Steel Manufacturers. 3-page article plus cover letter, stapled in top left corner. Article typed in black ink on orange paper. Cover letter is typed in black ink on orange, headed paper (National Federation of Iron & Steel Manufacturers), dated 14/11/1958.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.