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).
Record of private mileage for experimental car 22-EX for the week ending 7th February 1931.
| Identifier | ExFiles\Box 25\4\ Scan236 | |
| Date | 9th February 1931 | |
| W/S. Sg.{Arthur F. Sidgreaves - MD} From Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} x6)b. Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}1/KT.9.2.31. PRIVATE USE OF EXPERIMENTAL CARS. Week ending noon 7th. Feb. 1931. Mx.{John H Maddocks - Chief Proving Officer} used 22-EX from 11 am. 31.1.31. to 9.15 am 2.2.31 - 124 mi. By.{R.W. Bailey - Chief Engineer} used 22-EX from 12.30 pm. to 2 pm. on 4.2.31. - 7 mi. Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} | ||