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).
Secret memorandum regarding a drawing of a Phantom tappet for an advanced noise test.
| Identifier | ExFiles\Box 96\2\ scan0057 | |
| Date | 9th September 1935 | |
| Ll. Smith [signature] Please instruct for 28.E.X. To BY.{R.W. Bailey - Chief Engineer} from E/JNR.{Charles L. Jenner} E/JNR.{Charles L. Jenner}6/HP.9.9.35. X 354 SECRET. c.RHC.{R. H. Coverley - Production Engineer} c.Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} We send you herewith:- LeC.4673 showing the Phantom tappet held off the base circle of the cam. We have already sent you a similar design for SpectreCodename for Phantom III. The object of this experiment on Phantom was suggested by Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} to enable an advanced noise test to be made with this fitting before trying it on a SpectreCodename for Phantom III. Drawing to BY.{R.W. Bailey - Chief Engineer} Print to Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} E/JNR.{Charles L. Jenner} | ||