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).
Secret memo discussing the publication status of drawings for the Spectre engine.
| Identifier | ExFiles\Box 91\1\ scan0023 | |
| Date | 29th July 1935 guessed | |
| S/W. Rm.{William Robotham - Chief Engineer} SECRET. X 300 Bkl.18/WL22735. SpectreCodename for Phantom III. Thanks for the three drawings of the engine returned. Have you passed these for publication,please? I presume you are holding on to the other drawings until they have been corrected. Bkl. | ||