LEO programming trial papers. Includes:
- 'Trial Technique' draft report and notes by unidentified author [David Caminer?]
- Store Requirements 
- Operating Instructions 
- Data Results for L6T/B1
- Data Results for L6T/B2
- Result Patterns
- Block References
- Constants
- C2 Long No. Constants & P.I.s. + Special Programme Z 13
- L6H/S.R.I
- Preparatory Stage 1 - Plant initial P.I.s
- Preparatory Stage 2
- Hanwritten notes on trial programmes by unidentified author [David Caminer?]
- 'Notes on Trial Technique with special reference to P4' by unidentified author [David Caminer?]

Provenance :
From David Caminer's papers.