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).
Requesting an order for 15 trial rings modified to the 'Aero' multivent principle.
| Identifier | ExFiles\Box 148\3\ scan0414 | |
| Date | 13th October 1938 | |
| 1256' To Roy.{Sir Henry Royce} c. to G/JWH. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}14/JH.13.10.38. Further to our memo. Roy{Sir Henry Royce}/Dn.5/ME.7.10.38. Will you please order for trial. 15 rings with main dimensions to E.60821 (print attached) but modified according to the "Aero" multivent principle. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||