Zenith of the LMA: English Electric prototype DP1 Deltic was heralded as the world’s most powerful single unit diesel locomotive when it was built in 1955. Two years later in June 1957, the private venture machine approaches Halton with the Up ‘Merseyside Express’. That year, the Locomotive Manufacturers Association widened its remit to become the Locomotive and Allied Manufacturers’ Association as the locomotive market began consolidation. www.railphotoprints.co.uk - the late R. A. Whitfield
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