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 P & R battery for the 40/50 model and a potential halt in production.
| Identifier | ExFiles\Box 38\5\ Scan260 | |
| Date | 30th October 1922 | |
| X.3398 To By.{R.W. Bailey - Chief Engineer} from EFC. EFC2/T30.10.22. X.3398 - P & R BATTERY FOR 40/50. Please find attached correspondence between myself and Mr. Day with reference to this battery to date, and I will pass to you when available copy of the answer to my last letter of to-day's date. Do you think we should advise Messrs. P & R to stop work on these batteries, as I believe they are making preparations for their production ? EFC. | ||