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).
Request to fit an experimental 20,000 turn secondary ignition coil to chassis 12-G4.
| Identifier | ExFiles\Box 69\1\ scan0216 | |
| Date | 8th July 1929 | |
| X.8710 RHC.{R. H. Coverley - Production Engineer} c. Hs{Lord Ernest Hives - Chair}/AJL. EFC5/AD8.7.29. EXPERIMENTAL 20,000 TURN SECONDARY IGNITION COIL TO D.71919. Will you please have one of these coils No.LS7, which we have sent in to Mr.Tooby. fitted to chassis 12-G4. EFC. | ||