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).
Comparative petrol consumption tests from Brooklands and other road tests.
| Identifier | WestWitteringFiles\I\September1922\ Scan71 | |
| Date | 15th September 1922 | |
| BJ. from Hs.{Lord Ernest Hives - Chair} X788 Hs{Lord Ernest Hives - Chair}4/LG15.9.22. X788 X5056 Herewith comparative petrol consumptions taken during tests on Brooklands. We also have results of tests which have been taken on the road at various times with different axle ratios and compression. We will send these on to morrow. Hs.{Lord Ernest Hives - Chair} | ||