Link #elswick works #newcastle upon tyne #tanks #valentine tank #tank shop #armaments #vickers armstrong #military #second world war #assembly line #factory #industry #industrial #industrial heritage #black and white photograph #workshop of the world #elswick #28 september 1942 #manufacturing #scotswood works #scotswood #river tyne #products #customers #william george armstrong #lord armstrong #vickers armstrong collection #digital image