| Level | Item |
| Ref No | L/E/77/18 |
| Alt Ref No | E(L)/77/18 |
| Title | Industrial Rhythm \ Effort-graph |
| Date | n.d. |
| Extent | 7 sheets |
| Description | Handwritten manuscript with diagrams by Rudolf Laban. Full title: Effort-graph for one month of observation for one operation. Adapted for W.C. Holmes & Co. Ltd. |
| Language | English |
| Physical Description | Original reference number was IR/XV/3a. Pages numbered 1-7. |
| Format | Papers |