Photograph of a fractured engine piston showing significant damage to the skirt and gudgeon pin boss area.
| Identifier | ExFiles\Box 82\1\ scan0127 | |
| Date | 12th April 1933 guessed | |
| ", | ||
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).