That two ignition coils should be of the latest experimental L.C. type.
| Identifier | ExFiles\Box 69\1\ scan0261 | |
| Date | 26th November 1929 | |
| RHC. {R. H. Coverley - Production Engineer} from EFC. {E. Fowler Clarke - Electrical Engineer} c. Ry. c. Sft {Mr Swift} /Mr Brock. X8710 EFC {E. Fowler Clarke - Electrical Engineer} 1/AD26.11.29. X.8710. IGNITION COIL SECONDARY WIRE. Further to our EFC {E. Fowler Clarke - Electrical Engineer} 7/AD21.11.29, we omitted to say that the two coils instructed should be of the latest experimental type L.C. to arrgt. drg. D. {John DeLooze - Company Secretary} 72303. Will you please arrange accordingly. HEW. EFC. {E. Fowler Clarke - Electrical Engineer} | ||
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).