Item no | Date | Content |
---|---|---|
25/1 | 1950-1960 | Card production, budget & costs [1 vol] |
25/2 | Two sets of 65-column punched cards | |
25/3 | 1966 [?] | Cards and Card Material, by J.L. Sheldon, ICT (Engineering) Ltd, Whyteleafe, Surrey [booklet] |
25/4 | c1961 | The ICT Punching Code [booklet] |
25/5 | 1967 | Card and paper-tape punching codes and keyboards [booklet] |