Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Severn Bridge construction, photograph
Black and white photograph of Severn Bridge construction. Viaduct Erection. Box No. 2 resting on ball carriages and Box No. 1 supported by crane prior to fixing cover plates. c.1962.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.