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).
Request to the laboratory to test the effect of GX oil on different types of bronze and steel components.
| Identifier | ExFiles\Box 114\1\ scan0168 | |
| Date | 14th February 1939 | |
| 1015 Lab/Mr. Squires. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}5/JH.14.2.39. Concerning our conversation with you, we have arranged to send you a pint of GX oil and some needle rollers, a bronze washer and an aluminium bronze washer. Will you please let us know what happens to the steel in the 2 types of bronze after 24 hours in this oil at 100°C., and will you also please let us know what there is in the oil to give it extreme pressure properties. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||