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).
Diagram showing a modification to a Phantom II subframe to increase wheel arch clearance.
| Identifier | ExFiles\Box 14\8\ Scan173 | |
| Date | 26th October 1929 guessed | |
| .50" .250" 5" 5" Reduce 1/4" along this line. Reduce 5/16" along this line. 1/4 PHANTOM II SUBFRAME MODIFICATION TO INCREASE WHEEL ARCH CLEARANCE FIG. II. | ||