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).
Hand-drawn diagram illustrating damage to an O.S. Smith's Jackall Jack.
| Identifier | ExFiles\Box 82\3\ scan0195 | |
| Date | 10th April 1935 guessed | |
| Cap Broken in three. places O.S. Smith's Jackall Jacks | ||