BeebFont (19xx)(Watford Electronics)
Watford Print ROM V0.1E (1983)(Watford Electronics)
Watford Print ROM V0.1C (1983)(Watford Electronics)
Le Modem V1.00 (19xx)(Watford Electronics)
Prestel V1.00 (19xx)(Watford Electronics)
Buffer And Backup ROM (19xx)(Watford Electronics)