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).
The Bentley III High Compression Split Piston.
| Identifier | ExFiles\Box 148\1\ scan0023 | |
| Date | 8th December 1938 | |
| 1256 Rm{William Robotham - Chief Engineer} Da.{Bernard Day - Chassis Design}12/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 8.12.38. Bentley III - High Compression Split Piston - referring to memo Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}3/JH. 2.12.38. in file 436. | ||