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).
Requesting a new high compression head for E.R. Hall's car be made to the same specifications as an old one for comparison.
| Identifier | ExFiles\Box 90a\2\ Scan251 | |
| Date | 20th November 1934 | |
| To RHC{R. H. Coverley - Production Engineer}, x7962 Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}17/KW.20.11.34. High Compression Head for E.R.Hall's Car. We wish to compare the new high compression head which you have produced with the one which was used by Hall at Shelsley. Will you therefore please start by making the new head the same compression ratio as the old one. Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}: | ||