Confirming the fitting of special parts to chassis No. B.57.KW.
| Identifier | ExFiles\Box 89\4\ scan0149 | |
| Date | 10th August 1937 | |
| TO Mx {John H Maddocks - Chief Proving Officer} /Skn. from Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} 261 Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} 2/AP.10.8.37 CHASSIS No.B.57.KW. - VANDERVELL. In reply to your memo Mx {John H Maddocks - Chief Proving Officer} /Skn.20/T.4.8.37, we confirm that special die cast Hall's metal bearings and special cylinder head with 'Corrujoint gasket' giving a compression ratio of 6.9:1 have been fitted to the unit in the above chassis. Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} | ||
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).