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 the production of a finer primary coil (GP.11) for the 2nd EAC.7 chassis, designated 15-EX.
| Identifier | ExFiles\Box 69\1\ scan0046 | |
| Date | 30th November 1926 | |
| X8710 To RHC.{R. H. Coverley - Production Engineer} from EFC. EFC/T30.11.26. FINER PRIMARY COILS. For the 2nd EAC.7 chassis, which presumably will be called 15-EX, we should be pleased if you would have made up a further finer primary coil in Redmanol case, which will be designated GP.11. Now that we have handed over one of these coils for 14-EX we have only one left (not on the chassis) which we require for our own tests. EFC. Though these coils have been standardised on the engine, they are not yet being produced by the Production Dept. | ||