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 dimensional measurements of a component.
| Identifier | ExFiles\Box 179\3\ img114 | |
| Date | 31th January 1932 guessed | |
| 5.350" .020" 1.5" | ||