"we were able to take judicial note of the officer's evidence, that is PC Norgate, that the equipment was installed in a great many police vehicles in the Metropolitan Police area, and was in fact installed in the vehicle he had driven to court that day."
"The question for the opinion of the High Court is were the justices entitled to take judicial notice of the use of the Police Pilot Provida device in a large number of police cars to find that the device was approved by the Secretary of State and that evidence of that device was admissible."
"Corroboration is usually provided nowadays by the speedometer of a police vehicle, radar equipment or Vascar or by the speed testing device being used."
"After further evidence we have found this evidence to be conclusive and corroborative evidence of the speed of the motor bike ridden by the appellant on the day in question."