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).
Sending three sectioned exhaust valves for the Phantom II, detailing their respective part numbers and series usage.
| Identifier | ExFiles\Box 131\4\ scan0322 | |
| Date | 24th June 1937 | |
| N/W. RM.{William Robotham - Chief Engineer} C-D/BP. Philips 1113 SWOL Br/H10/M.{Mr Moon / Mr Moore} 24.6.37. re, Phantom II Technical - Exhaust Valves. At the request of GWH{George W. Hancock - Head Chateauroux} we are sending you under separate cover to-day, 3 sectioned Exhaust Valves, in respect of which we understand he is writing you direct. We would add that the Valve etched E/78493 is used from J2 Series up to N2. The Valve etched E/85505 is used on Series O2 to U2, and the Valve stamped E/85505 is the same as the latter, but which we have modified to the lighter pattern. Will BP kindly hand them over to Rm{William Robotham - Chief Engineer} immediately upon receipt. Br/G ee | ||