Repair Book from 37694  whilst based at 
Eastfield TMD (ED).
The book was new to the locomotive on 31st July 1991. 
37694 (D6892 37192) Was Withdrawn From Service in the WKAD pool based 
at Toton (TO) in June 2004
and Scrapped by EMR - Kingsbury in January 2008. 
More information can be found here
Wikipedia - BR Class 37  - 
Class 37 Locomotive Group 
-
Preserved-Diesels Website