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).
Confidential memo regarding service disruptions and the confidentiality of information concerning Lion and Puma engines.
| Identifier | ExFiles\Box 43\1\ Scan115 | |
| Date | 19th March 1926 guessed | |
| contd :- -2- Forced landings, delayed departures, and cancelled servides were caused by the failing during twelve months, and I would like to point out that the information in connection with the Lion and Puma engines is strictly confidential and should not be referred to in the presence of Mr. Hall. Lp.{Mr Lappin} | ||