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 two dozen Tecalemit filters for experimental chassis unit test beds.
| Identifier | ExFiles\Box 135\3\ scan0145 | |
| Date | 26th May 1937 | |
| 1139 To Roy.{Sir Henry Royce} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} c. G/JWH. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}8/AP.26.5.37 Will you please order two dozen Tecalemit filters of the type OF.1054 type 123/12 for use on the expl. chassis unit test beds. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||