| Level | Item |
| Ref No | L/E/77/45 |
| Alt Ref No | E(L)/77/45 |
| Title | Industrial Rhythm \ Use of Effort Graphs for Assessment, The |
| Date | n.d. |
| Extent | 9 sheets |
| Description | Typed notes with handwritten amendments and diagrams. |
| Language | English |
| Related Material | Removed from L/E/76/18-19. See also L/E/33/54. |
| Physical Description | Original reference number was IR/M/1b. Pages numbered 287-289, 292-296, 299. |
| Format | Papers |