50 (RCT 3). Peterborough. Thursday 20/07/197260 (DTL 489D). Peterborough. Thursday 20/07/1972Buses England Delaine 0001Buses England Delaine 0002Buses England Delaine 0003Buses England Delaine 0004Buses England Delaine 0005Buses England Delaine 0006Buses England Delaine 0007Buses England Delaine 0008Buses England Delaine 0009