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 the rear engine mounting for the 10EX model, showing a Hardy rubber-fabric coupling.
| Identifier | WestWitteringFiles\R\2October1927-November-1927\ 126 | |
| Date | 8th November 1927 guessed | |
| HARDY RUBBER-FABRIC COUPLING REAR ENGINE MOUNTING 10EX | ||