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).
Instructions for a reduced charge switching system for the 20 HP 10,000 mile chassis.
| Identifier | ExFiles\Box 63\4\ scan0038 | |
| Date | 28th April 1930 | |
| X6002 By.{R.W. Bailey - Chief Engineer} from EFC. c. By/RD. EFCl/AD28.4.30. X.6016. REDUCED CHARGE SWITCHING. X.6002. It is understood that you will be issuing instructions for a 20 HP. system of - Distribution box with extra terminal, switchbox with extra terminal etc. and dynamo field resistance unit which system can be applied to the new 20 HP. 10,000 mile chassis 18-CIV. EFC. | ||