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).
Completion of designs for the Phantom III simplified exhaust system.
| Identifier | ExFiles\Box 93\1\ scan0066 | |
| Date | 5th December 1936 | |
| Wyman. 323 File BY.{R.W. Bailey - Chief Engineer} c. Rm.{William Robotham - Chief Engineer}PHC. E/JNR.{Charles L. Jenner}1/HP.5.12.36. Phantom III Exhaust System. Please receive herewith:- LeC.5411 showing the intermediate pipe. This completes the whole of the designs for the simplified exhaust system. E/JNR.{Charles L. Jenner} | ||