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).
Cost-reduction modifications for the Wraith Gearbox rocking shaft.
| Identifier | ExFiles\Box 8\11\ 11-page015 | |
| Date | 8th May 1935 | |
| x4709 628 To BY.{R.W. Bailey - Chief Engineer} from HDY.{William Hardy} c. Hor. E.{Mr Elliott - Chief Engineer} Hs.{Lord Ernest Hives - Chair} Ba. RHO. Sft.{Mr Swift} (Struck through) HDY.{William Hardy}1/HP.8.5.35. Wraith Gearbox. (Underlined) N. Sch.4294 herewith shows modifications to reduce the cost of manufacture of the rocking shaft for the actuation of the top and third speeds. N.Sch.4294 herewith. HDY.{William Hardy} | ||