Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Papes re. traffic control lights, 1958
Letter dated 21st April 1958 sent by The Automatic Telephone & Electric Co. Ltd., Strowger Works, Liverpool to C.H. Watkins. Typed on white letter headed paper and signed by J.L. Atkinson of the Commercial Department.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.