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).
List of percentage requirements for pump repair parts and an update on a modified pump.
| Identifier | ExFiles\Box 149\3\ scan0066 | |
| Date | 16th May 1939 | |
| -2- Rm{William Robotham - Chief Engineer}/JBD.{John B. Dixon - Fuel Systems}9/JH.16.5.39. Bakelite end covers. 20% of pumps for repair. end plate 20% " " " " Top & bottom plugs. 10% " " " " C & A washers 10% " " " " Valve discs. 5% " " " " All other miscellaneous parts including pump body 2% of first order. Subsequent orders can be readjusted to the requirements of the first 100 pumps repaired. The modified H.P. pump for B.V. is not yet on production. Rm{William Robotham - Chief Engineer}/JBD.{John B. Dixon - Fuel Systems} | ||