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 marking of the revolution counter on production cars.
| Identifier | ExFiles\Box 3\4\ 04-page375 | |
| Date | 4th July 1933 | |
| -2- Es.3/JL.4.7.33. Cent'D.{John DeLooze - Company Secretary} your impressions. At the same time the rev. counter will be marked as we intend to mark them on production cars. Hn.{F. C. Honeyman - Retail orders} | ||