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 instructions for improved Spectre engine mountings.
| Identifier | ExFiles\Box 93\1\ scan0161 | |
| Date | 7th June 1935 | |
| X322 To HY.{Tom Haldenby - Plant Engineer} from E.{Mr Elliott - Chief Engineer} SECRET. E.1/HP.7.6.35. c. Hs{Lord Ernest Hives - Chair}:RHC.{R. H. Coverley - Production Engineer} re SpectreCodename for Phantom III Engine Mounting. If you are instructing any further crankcases of the old type the engine mounting should be of the improved pattern, with a large washer above the rubber to stop the cutting in, as shewn on LeC. 4117 or if it is considered advisable the double depth of rubber should also be used, as shewn on LeC. 4507. E.{Mr Elliott - Chief Engineer} | ||