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).
Indicating a further report.
| Identifier | ExFiles\Box 74\2\ scan0136 | |
| Date | 4th May 1912 guessed | |
| a further report. | ||