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).
Cover page with the heading CCIL.
| Identifier | ExFiles\Box 46\3\ Scan172 | |
| Date | 1st March 1920 guessed | |
| CCIL. | ||