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).
Drawing of an induction pipe and exhaust manifold for the 20/25 model.
| Identifier | ExFiles\Box 93\2\ scan0049 | |
| Date | 6th July 1935 | |
| -2- Hs{Lord Ernest Hives - Chair}/Rs{Sir Henry Royce's Secretary}/14/KW. 6.7.35. We are sending M, a drawing of the induction pipe and exhaust manifold which have proved satisfactory on our experimental tests on the 20/25. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||