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).
Confirming the standardisation of a battery ignition contact breaker rubbing block for the 'Phanton' and 20 HP models.
| Identifier | ExFiles\Box 69\1\ scan0394 | |
| Date | 1st August 1925 | |
| To Hs.{Lord Ernest Hives - Chair} from BJ. BJl/Hll.8.25. X4646 Standardisation Sheet No. 4646. "Phanton" and 20 HP. The battery ignition contact breaker rubbing block of bone grey fibre is agreed. The standardisation sheet will be forwarded to you in the course of a few days, signed by C.J. and B.J. B.J. | ||