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		Story in Ilford Recorder (1985): 
		
		Valerie Green 
		
		
		FORTY years ago on 
		
		Wednesday, the Allies 
		
		celebrated VJ Day — which meant that the
		
		
		worst war the world had ever known had 
		come to 
		
		an end? 
		
		
		And for 2,000-odd 
		
		Redbridge workers dawned 
		
		the realisation that their 
		
		sub-terranean working 
		
		days and nights were also 
		
		over. 
		
		
		These men and women 
		
		had done their bit for the 
		
		war effort in Britain's most 
		
		successful underground 
		
		factory — converted 
		
		Central Line tunnels linking 
		Redbridge, Gants Hill 
		and Wanstead stations. 
		
		
		Here Plessey's "secret 
		
		army" — the factory was one of the 
		most closely guarded wartime production secrets — turned out 
		vital components for the aircraft industry, such as fuel pumps and engine 
		
		starters. 
		
		
		With the approach of 
		
		war, the company had outgrown the 
		Ilford site and additional 
		space was found in Swindon, 
		Walthamstow 
		and Cardiff. 
		
		
		Then in 1942 came the 
		
		chance to take over the 
		
		unused Central Line extension. 
		
		  
		
		Constructed before the
		war but never brought into 
		passenger service, the five 
		miles of twin tunnels 
		between the three stations 
		became vast production 
		lines. Where today's commuters 
		hear the rumble of trains, assembly workers
		once laboured for victory against a 
		background hum of drilling and 
		cutting machines. 
		
		
		A narrow gauge railway 
		
		was laid in the tunnels running past 
		the workers on their 
		machines, distributing 
		materials and 
		collecting finished articles. 
		
		
		Passengers were not supposed 
		to be carried on the 
		
		"trains", but the line 
		
		proved to be an ideal means 
		
		of taking visiting VIPs on 
		
		inspection tours.     |