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).
Photograph of the 32-EX engine cylinder block after a 15,000-mile endurance test.
| Identifier | ExFiles\Box 150\3\ scan0369 | |
| Date | 12th September 1933 | |
| 32-EX. 15000 Miles test P.2979 12.9.33 | ||