Request to fit cyanide-hardened Phantom III gearbox gears into Box No.4-HS, with a change to the fit of the third-speed pinion bushes.
| Identifier | ExFiles\Box 94\2\ scan0192 | |
| Date | 18th March 1937 | |
| 328 HPS. {Horace Percy Smith - Experimental Factory Mgr} from Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} Rm {William Robotham - Chief Engineer} /Gry {Shadwell Grylls} 8/R.18.3.37. Cyanide Hardened P.III Gearbox Gears. Will you please fit the gears which have come back from Fords into Box. No.4-HS. {Lord Ernest Hives - Chair} We wish to retain all the other features at present in this gearbox except that we should like the normal fit of the third speed pinion bushes. Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} | ||
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).