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 dispatch of four sets of blades with tungsten contacts for testing on experimental cars.
| Identifier | ExFiles\Box 35\6\ scan 001 | |
| Date | 3rd January 1921 | |
| To EP.{G. Eric Platford - Chief Quality Engineer} from EFC To HS{Lord Ernest Hives - Chair}/TMW. X. 2894 EFC3/T3.1.21. X.2894 - TUNGSTEN CONTACTS. We are sending you herewith four sets of blades and screws of our standard battery ignition, but fitted with Tungsten contacts. The components of one pair of sets are marked with fig.2. This pair of sets were fitted in England by the Tungsten Manufacturing Company. The components of the other pair of sets are marked with Fig.3. The contacts of these were received from the Fansteel Company in U.S.A. and fitted to the blades and screws by us in the Expl. Dept. Will EP.{G. Eric Platford - Chief Quality Engineer} kindly arrange to have these contacts tried out on test cars at the earliest opportunity. Will Mr. Warwick kindly arrange to have these fitted to experimental cars 7 CA - 49 GB - 2 EX, etc. informing us by note as to which items are fitted to which car. EFC. | ||