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).
Recommendation to remove a drilled hole from a Bentley exhaust valve.
| Identifier | ExFiles\Box 88\4\ scan0144 | |
| Date | 8th October 1935 | |
| To By.{R.W. Bailey - Chief Engineer} X 254 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}10/KW.B.10.35. Drilled Up Bentley Exhaust Valve. I observe that you have a drilled up Bentley exhaust valve, EB.3216. In view of the failure of the SpectreCodename for Phantom III valves, this hole should be deleted. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||