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).
Diagrams and dimensions for a rubber bush and steel cradle for an engine bearer arm.
| Identifier | WestWitteringFiles\S\March1928-May1928\ Scan045 | |
| Date | 19th March 1928 guessed | |
| RUBBER BUSH ENGINE BEARER ARM CRADLE RIGIDLY ATTACHED TO THE FRAME '700 2.85" .450 RUBBER BUSH 1.40" 3.75" STEEL CRADLE 1.80" PROJECTED AREA OF RUBBER SUPPORTING FOOT 5.25 Sq. ins. | ||