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 modification of 12 battery ignition levers with tungsten points.
| Identifier | ExFiles\Box 35\6\ scan 332 | |
| Date | 4th October 1927 | |
| X.2894 To RHC.{R. H. Coverley - Production Engineer} from EFC. EFC4/T4.10.27. May we please have the 12 battery ignition levers with tungsten points, sent to you under cover of our EFC5/T17.8.26. to be fitted with pivot bushes, electro-tinned, and fitted with rubbing blocks. Otherwise, in a day or two, the progress of our battery ignition contact point tests will be arrested. EFC. | ||