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 model cylinder block after a 15,000-mile test.
| Identifier | ExFiles\Box 94\3\ scan0284 | |
| Date | 30th March 1922 | |
| 32-EX. 15000 Miles test. O.S. / 30.3.22 | ||