| Level | Item |
| Ref No | L/E/68/24 |
| Title | Contracts \ Attachment A (Part I) \ Directional Theory |
| Date | n.d. |
| Extent | 5 sheets |
| Description | Typed manuscript with printed diagrams and handwritten annotations. |
| Language | English |
| Physical Description | Original reference number was 40/L/098/1/19. Pages numbered 1-5. See also L/E/68/26; L/E/68/27. |
| Format | Papers |