British Transport Commission - English Electric Type 5 Locomotives (Class 55 - DELTICs) Spanner (CWA) Boiler Mark II and Fault finding For Enginemen.
 Issue Date 1961   -   DUP:KX:114:1961


More information can be found here Wikipedia - British Rail Class 55  -  Definitive Deltics - The DPS - Napier Chronicles - Clayton Industries
More Information Regarding Preserved Class 55 Locomotives can be found on the following websites:  Preserved-Diesels  -  The DPS  -  Royal Scots Grey