AEC Buses Since 1955 by Stewart J. Brown Series_Campaign The numbering system started with

The numbering system started with four figures but changed to five with the introduction of the TOPS coding system which saw the locomotives classified as Class 47 Diesels with variations such as 47/0

Such troops were naturally distinguished by dazzling apparel and heraldry

subtle differences arose when the boilers were updated

The class was not intended for passenger traffic and was therefore purely equipped with steam braking for both engine and tender

AEC Buses Since 1955 by Stewart J. Brown Series_Campaign The numbering system started withAEC Buses Since 1955 by Stewart J. Brown Hardback signs of use on the cover but the book is in excellent condition