One of the local Charlton based blogs has been speculating about a flexi-disc factory in Charlton. See:
http://charltonchampion.co.uk/2011/08/30/did-charlton-have-a-flexi-disc-factory/
what do any industrial historians out there know?????
- soon to come on this site - pictures of a Greenock, Scotland, torpedo factory - moved there from Woolwich together with its workforce.