Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Papes re. traffic control lights, 1958
Page one (rest missing) of a letter dated 3rd June 1958 sent by The Automatic Telephone & Electric Co. Ltd., Strowger Works, Liverpool to C.H. Watkins. Typed on white letter headed paper.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.