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).
Inquiry regarding the fitment of 'L' shape piston rings to Trials Car GUL.1.
| Identifier | ExFiles\Box 107\1\ scan0408 | |
| Date | 19th October 1936 | |
| S/W. Rm.{William Robotham - Chief Engineer} Cx{Major Len W. Cox - Advertising Manager}6/KW19.10.36. Trials Car GUL.1. Can you please tell us whether the 'L' shape piston rings have been fitted to this car, and if so when this work was carried out. Cx.{Major Len W. Cox - Advertising Manager} | ||