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 conclusion of a letter discussing a fault but expressing overall confidence in battery performance.
| Identifier | WestWitteringFiles\D\April1920\ Scan13 | |
| Date | 21th April 1920 guessed | |
| -3- Contd. Apart from this one fault, we still have great confidence in the performance of these batteries. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||