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).
To RHC regarding the need to update obsolete splines on the driven member of Ph.III clutches for the first six Spectre units.
| Identifier | ExFiles\Box 93\3\ scan0068 | |
| Date | 23th December 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} X312 Hs{Lord Ernest Hives - Chair}/Smth.10/KW.23.12.35. Ph.III Clutches. We understand that the first six SpectreCodename for Phantom III units have obsolete type splines on the driven member. Will you please bring these up to date as the opportunity occurs. Hs{Lord Ernest Hives - Chair}/Smth. | ||