Blueprint showing the design for a rear engine mounting with a Hardy rubber-fabric coupling.
| Identifier | ExFiles\Box 25\3\ Scan286 | |
| Date | 9th November 1927 guessed | |
| HARDY RUBBER-FABRIC COUPLING REAR ENGINE MOUNTING 10EX | ||
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).