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).
Requesting modifications and assembly of tungsten ignition contact points and heads for experimental testing.
| Identifier | ExFiles\Box 35\6\ scan 350 | |
| Date | 11th November 1927 | |
| To RHC.{R. H. Coverley - Production Engineer} from EFC. X8692 EFCL/T7.11.27. TUNGSTEN IGNITION CONTACT POINTS. Will you please put in hand :- (1) The addition of spring anchor pins to the three tungsten pointed battery ignition levers handed to you. (One of these is urgently required to enable a further test to be proceeded with). (2) A second (new or modified) battery ignition head, to LeC.2460 for running on an experimental car, which will include one of the three levers in (1) above. Second (3) A third battery ignition head (new or modified) to LeC.2461, but with the standard lever and rotor instead of the off-set lever as shown on LeC.2461. This will also include one of the three levers handed to you. The urgently required lever is for our testing rig. Two tungsten pointed screws also handed to you herewith for the two units for experiment on cars. EFC. | ||