British Rail - Driving Instructions Including Preparation and Disposal Duties.
BR/AEI/Sulzer Type 2 Locomotives.
Issue Date: August 1964 - BR 33003/104.
More information can be found here
Wikipedia - British Rail Class
Wikipedia - British Rail Eastern Region
More Information Regarding Preserved Class 25 Locomotives can be
found on the following websites:
Caledonian Railway Diesel Group