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).
Cross-sectional blueprint of a mechanical assembly with material and function annotations.
| Identifier | ExFiles\Box 170\1\ img034 | |
| Date | 31th October 1938 guessed | |
| BONDED HIBUDINE FLEX TORSIONALLY & LATERALLY NOT BONDED BAKELITE F.12000 OR HARD HIBUDINE | ||