Deletion of Crosfield Electronics

Comment: I have added several references to the article. See also the detailed company history in a book chapter on "Crosfield, Olivetti, EMI et les autres" of which https://books.google.co.uk/books?id=JxCN_uErYuQC&lpg=PA227&dq=Crosfield%20Scanatron&pg=PA227#v=onepage&q=Crosfield%20Scanatron&f=false pages 226-7 are visible in Google Books. Overall, I think there is sufficient substantial, independent coverage to meet 
Stance: keep
Cited policy: Wikipedia:Notability (:WP:CORPDEPTH)