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).
Use of a Tecalemit filter for a 15,000 miles engine test.
| Identifier | ExFiles\Box 135\2\ scan0155 | |
| Date | 27th June 1936 | |
| Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell} K11-38 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}12/KW.27.6.36. When you run the engine for the next 15,000 miles test, will you please do so with the Tecalemit filter. We may change to a gauze filter later on, but this will ensure that the engine starts life in clean condition. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||