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).
Blueprint showing a cross-section of a component with annotations for 'suggested reach' and 'usual reach'.
| Identifier | ExFiles\Box 162\3\ img216 | |
| Date | 12th September 1940 guessed | |
| Wood Blue SUGGESTED REACH USUAL REACH | ||