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).
Experimental use of a specific oil in Trials cars.
| Identifier | ExFiles\Box 145\2\ scan0136 | |
| Date | 24th February 1937 | |
| 1231 W/LH.{Mr Haworth} RC.{R. Childs} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls}1/R.24.2.37. With regard to your memo RC{R. Childs}2/L/23.2.37.. we have corresponded with Cx.{Major Len W. Cox - Advertising Manager} about the use of this oil in Trials cars, and he is not willing to use this until we have some further experimental work. We shall be glad, however, if you will keep it. We have asked Lp.{Mr Lappin} to run on this oil, so he will be able to draw from your supply. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||