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).
Decision to use the concertina 3rd speed coupling on the Phantom III gearbox for immediate production.
| Identifier | ExFiles\Box 94\2\ scan0053 | |
| Date | 2nd November 1936 | |
| To BY.{R.W. Bailey - Chief Engineer} From Rm{William Robotham - Chief Engineer}/Cry. c. to Sft.{Mr Swift} V 328 Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}1/MJ.2.11.36. PHANTOM 111. Gearbox. It was decided at the conference with Sg.{Arthur F. Sidgreaves - MD} on Thursday that the concertina 3 rd. speed coupling could be used on production immediately. Will you therefore please urge the arrangements whereby N.Sch.4896 gets on test as soon as possible. Rm{William Robotham - Chief Engineer}/H.Grylls. | ||