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).
The fitting of an experimental ignition coil to a specific chassis.
| Identifier | ExFiles\Box 69\1\ scan0201 | |
| Date | 7th May 1929 | |
| X8710 RHC.{R. H. Coverley - Production Engineer} from EFC. c. Hc/AJL. EFCL/T7.5.29. We hand you herewith special experimental ignition coil numbered LS1 wound with 20,000 turns on the secondary, the insulation being paraffin waxed paper. Will you please have this fitted to chassis 14-G4, returning the coil thereon to the laboratory. EFC. | ||