Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Technical drawing
Hand drawn in pencil on white paper. Technical drawing of blast furnace lines. Title: 'Tonawanda Lines'.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Hand drawn in pencil on white paper. Technical drawing of blast furnace lines. Title: 'Tonawanda Lines'.