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).
Blueprint drawing of a component showing front and rear sections with dimensional measurements.
| Identifier | ExFiles\Box 118\2\ scan0019 | |
| Date | 16th September 1930 guessed | |
| FRONT, 10.75" 7.00" REAR | ||