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).
Recommending oil sampling procedures and the fitting of a new number 4 cartridge.
| Identifier | ExFiles\Box 91\2\ scan0238 | |
| Date | 9th August 1937 | |
| To Rm{William Robotham - Chief Engineer}/IMW{Ivan M. Waller - Head of Chateauroux} (Chateauroux) from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} 300a Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}7/AP.9.8.37 Ph.III. 32-EX. We understand that you had already covered 3,000 miles on CW. oil before receiving our memo Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}1/AP. 4.8.37 and in these circumstances recommend that you carry on as follows. Take a sample of oil, then fit the new number 4 cartridge. Retaining the existing oil in the engine, take samples every 1000 miles to see if any improvement in its condition takes place. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||