A file of papers relating to LEO I, II and III including:

1. LEO I to LEO II order code equivalent
2. LEO III Course member and mentors list for programming course No. 25
3. 4 card program
4. List of input/output devices for LEO III
5. Input/output device channels on LEO II machines
6. Memo from N. G. Dowell to Mrs M. Perrott relating to communication between the Kidsgrove and London office
7. Memo from Mr R. G. Stevenson to Mr D. Peters about reapplying standards to programs relating to LEO III/1
8. A list of flowcharts for different systems
9. A list of LEO II sites
10. B12/B14 Instruction forms
11. Binary Powers in Decimals
12. A 'One Card Program' with some handwritten notes attached
13. 3 blank cards
14. Tube layout sheet and a card layout sheet
15. Blank operation sheets
16. Input data sheets
17. Notification of an impending programme modification
18. B31/B32 instructions sheet
19. Newspaper clipping titled ' Leo III: a rave from the grave, dated 1975
20. List of documents in boxes
21. Handwritten list of jobs relating to LEO 1, 11/1

Provenance :
Collected by John Daines