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 2 dozen Tecalemit filters for experimental chassis unit test beds.
| Identifier | ExFiles\Box 135\3\ scan0173 | |
| Date | 7th September 1937 | |
| X 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}2/MH.{M. Huckerby}7.9.37. Will you please order 2 dozen Tecalemit filter of the type O.F. 1054 type 123/12 for use on the exptl. chassis unit test beds. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||