Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
North's Navigation Collieries (1889) Ltd., plan
North's Navigation collieries (1889) limited, steam coal collieries, steel dram. Avergae Tare of Trams 10¼ cwts each. Scale: 1½= one foot 1900.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.