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).
Continuation page of a letter regarding the main features of AC.9 material.
| Identifier | ExFiles\Box 115\5\ scan0203 | |
| Date | 24th November 1938 guessed | |
| S J H WELLWORTHY PISTON RINGS LIMITED CONTINUATION No. 1. which we have put this matter over, we will be very careful in future to more or less embody the points which you have set out as being the main features of AC.9 material, and thus avoid any possible complications. Yours sincerely, p.p. L G Blackith fh. | ||