Suggest an edit18:30Top Firm: Second Quarter-Final: G.B. Britton and Sons Limited, Bristol v. South Wales Switchgear Limited, BlackwoodBBC One Thu 17th Mar 1966, 18:30 on BBC One Londonfrom the West CountryKenneth Horne is question-master in a general knowledge tournament between firms from all over Britain.ContributorsQuestion-master:Kenneth HorneQuestions written by:John P. WynnDirector:John McGonagleProducer:Patricia Owtram Source: Radio Times Suggest an edit