List of five completed development points for potential future designs.
| Identifier | ExFiles\Box 82\2\ scan0062 | |
| Date | 7th June 1934 | |
| -2- Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} 1/KW.7.6.34. Points on which development work has been largely completed and which could with advantage be run if designs were available are :- || (1) Halford tappets, non return oil valve || and filter. || (2) Rubber engine mount as on 20/25 with || Cantilever pedals etc. || (3) Stiffened frame side channels to prevent || head lamps jellying. || (4) Textolite timing gears. || || (5) Front road springs shackled at the rear, || to eliminate front springs buckling and || sponge in the mechanism. | ||
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).