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).
Telegram recommending Bentley tyre pressures of thirty-five front and thirty rear.
| Identifier | ExFiles\Box 29\4\ Scan175 | |
| Date | 22th February 1934 | |
| X4462 WORTH, INDIAOWL, RENFREW. RECOMMEND BENTLEY TYRE PRESSURES THIRTY FIVE FRONT THIRTY REAR ROYCAR. 22.2.34. | ||