From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Order for one dozen Tecalemit filters for use on experimental chassis unit beds.
| Identifier | ExFiles\Box 135\3\ scan0135 | |
| Date | 13th November 1936 | |
| 1139. To Roy.{Sir Henry Royce} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}23/AP.13.11.36. Will you please order one dozen Tecalemit Filters of the type - O.F. 1054 type 123/12 for use on the Experimental chassis unit beds. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||