Note concerning barrel type tappets for the Bentley III and Phantom III models.
| Identifier | ExFiles\Box 96\2\ scan0295 | |
| Date | 9th August 1938 | |
| 354 Rm {William Robotham - Chief Engineer} Da. {Bernard Day - Chassis Design} 1/G. 9.8.38 Bentley III + Phantom III Barrel type Tappets file 1360 | ||
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).