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 of a component showing front and rear views with dimensions.
| Identifier | WestWitteringFiles\U\August1930-November1930\ Scan065 | |
| Date | 13th September 1930 guessed | |
| FRONT 10.75" 7.00" REAR | ||