Cross-sectional sketch of a component with annotations for hole dimensions and surface reduction.
| Identifier | ExFiles\Box 172\3\ img016 | |
| Date | 20th October 1938 | |
| P.V. 12 S & V.INST. 624. 20. 10. 38/C. 8 .375" holes Thin surface reduced. | ||
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).