Requesting different types of ignition coils for testing purposes.
| Identifier | ExFiles\Box 69\1\ scan0327 | |
| Date | 4th August 1930 | |
| X8710 To RHC. {R. H. Coverley - Production Engineer} from EFC. {E. Fowler Clarke - Electrical Engineer} EFC {E. Fowler Clarke - Electrical Engineer} 2/AD14.8.30. X.4100 X.8710 X.6013. IGNITION COILS. We should like to have as soon as possible to enable us to proceed with tests, the following ignition coils :- Ignition coil with insulated secondary. ref. EFC {E. Fowler Clarke - Electrical Engineer} 8/AD20.5.30 Ignition coil for layer voltage measurement. Ref. EFC {E. Fowler Clarke - Electrical Engineer} 5/AD1-7.5.30 EFC {E. Fowler Clarke - Electrical Engineer} 3/AD19.6.30. Ignition coil with special core, primary winding only. ref. EFC {E. Fowler Clarke - Electrical Engineer} 3/MS21.3.30. 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).