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).
Campaign on 'Clero work' and remembering a single cylinder unit for investigation.
| Identifier | ExFiles\Box 173\1\ img031 | |
| Date | 5th January 1934 guessed | |
| has not done this so we have no experience. I hope that in your Campaign on Clero work you will not forget the car single cylinder unit, our first was laid for serious investigation as opposed to development. Rm.{William Robotham - Chief Engineer} | ||