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).
Numbered list of engineering modifications and component specifications, page 2.
| Identifier | ExFiles\Box 83\1\ scan0053 | |
| Date | 6th November 1935 | |
| -2- HS{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}19/KW.6.11.35. (7) Strengthened pivots. (8) Lighter and smaller radiator - Marston Mark VI. (9) Filter in a position to reduce vapour lock. (10) Propellor shaft damper deleted. (11) Corrected bumper bar fixing. (12) Lightened Hardy Spicer propellorshaft HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||