Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Helliwells Limited
In 1945 the Helliwell Group (an aircraft servicing and repair company) bought the Swallow Coachbuilding Co Ltd.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.