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 standard valve with a special valve on chassis GAW-3.
| Identifier | ExFiles\Box 107\1\ scan0231 | |
| Date | 21th September 1934 | |
| Rm{William Robotham - Chief Engineer} x7960 S/W.......Rm.{William Robotham - Chief Engineer} C1/D21.9.34. Re: Chassis GAW-3 - Sales (C). Br/G14/G.10.9.34. The attached of course refers to the standard valve which N. removed when putting in your special valve. C. Att: 1. | ||