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).
Urgent request to replace a flat carbon arm spring that was incorrectly left glass hard instead of being tempered.
| Identifier | ExFiles\Box 64\4\ scan0239 | |
| Date | 10th April 1929 | |
| RHC.{R. H. Coverley - Production Engineer} from EFC. URGENT. X-7650 EFC3/T10.4.29. Will you please have flat carbon arm spring D.71741 replaced on carbon arm herewith. This spring appears to have been left glass hard in error, whereas it should be tempered to permit of a setting adjustment. EFC. | ||