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).
Continued testing of ignition coil primaries.
| Identifier | ExFiles\Box 49\5\ Scan032 | |
| Date | 17th September 1923 | |
| X.4273 EFC. {E. Fowler Clarke - Electrical Engineer} c.c. Mr.Brock. BY {R.W. Bailey - Chief Engineer} /C8/H. 17. 9. 23. IGNITION COIL. With reference to EFC {E. Fowler Clarke - Electrical Engineer} 3/T. 12. 9. 23. we consider it most desirable to continue testing coil primaries and for this purpose one in every ten should be handed over to EFC {E. Fowler Clarke - Electrical Engineer} by Mr.Brock. BY {R.W. Bailey - Chief Engineer} /C. A for BY | ||