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).
Notification regarding a collapsed main filter from a Phantom III being sent due to sludge formation.
| Identifier | ExFiles\Box 135\3\ scan0134 | |
| Date | 10th November 1936 | |
| 1139. W/S. C. from Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}39/R.10.11.36. I am sending you under separate cover the main filter removed from the Phantom III which has collapsed due to sludge formation. Rm.{William Robotham - Chief Engineer} | ||