British Rail Train-Crew Manual - Class 47
Locomotives - Drivers Static Duties - Preparing The Locomotive.
Issue Date April 1982 - BR
33056/87 Issue 1 - Supersedes BR. 33056/8.
More information can be found here
Wikipedia - British Rail Class 47 - The
Class 47s Website Class47.co.uk
More Information Regarding Preserved Class 47 Locomotives can be
found on the following websites: