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).
The replacement of a servo disc on chassis 9.B.V.
| Identifier | ExFiles\Box 99\3\ scan0187 | |
| Date | 2nd November 1938 | |
| 441. To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm{William Robotham - Chief Engineer}/JBD.{John B. Dixon - Fuel Systems}5/JH.2.11.38. 9.B.V. We arereturning the servo and gearbox for 9.B.V. Will you please fit VG.90 servo disc in place of VG.91 now fitted. Please note this alteration for the specification. Rm{William Robotham - Chief Engineer}/JBD.{John B. Dixon - Fuel Systems} | ||