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 of a weight distribution test on a Phantom model chassis.
| Identifier | WestWitteringFiles\O\2April1926-June1926\ Scan024 | |
| Date | 1st April 1926 guessed | |
| WT DISTRIBUTION TEST PHANTOM 500 Lbs. 5 FT BEHIND REAR WHEEL CENTRES. | ||