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).
Dimensioned drawing of a 1st speed sliding pinion (PII) with modifications to reduce spline length.
| Identifier | ExFiles\Box 15\5\ Scan330 | |
| Date | 11th July 1932 guessed | |
| Hs{Lord Ernest Hives - Chair} 655 MODIFICATIONS TO G 80077 TO REDUCE LENGTH OF SPLINES 1ST SPEED SLIDING-PINION - PII Nck 3364 .550 .025 R 1.835 DIA 1.700 1.950 | ||