Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Blast Furnace (diagram)
Photocopy - brown print on cream paper. A diagram containing illustrations with explanatory text, showing the external features of a blast furnace and its auxiliaries, the sources of raw materials and dispositon of the products.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.