| Level | Item |
| Ref No | L/E/64/28 |
| Alt Ref No | E(L)/64/28 |
| Title | Industrial Rhythm \ Hick Hargreaves & Co. Ltd. \ Note on Production Control Methods |
| Date | 4 May 1942 |
| Extent | 3 sheets |
| Description | Typed report with handwritten annotations. |
| Language | English |
| Physical Description | Original reference number was 37/L/091/06/60. Top sheet is marked '18'. |
| Format | Papers |