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).
Best dimensions for a 40/50 model, downtake, intermediate, and an anti-ticking pipe issue.
| Identifier | ExFiles\Box 6\7\ 07-page166 | |
| Date | 27th October 1931 guessed | |
| Best Dimensions 40/50 [redacted] 104 downtake 104 intermediate Anti ticking Middle pipe blocked up. | ||