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).
Covering note addressed to Childs regarding an attached report on Champion Plugs.
| Identifier | ExFiles\Box 146\5\ scan0307 | |
| Date | 2nd April 1940 | |
| 1245. To Rm.{William Robotham - Chief Engineer} CHILDS Re: CHAMPION PLUGS ----------------- Please find attached a hastily made copy of a report which was shown to me the other day, and which I thought might be of interest to you. sh. Levallois Sr.4/ET.2.4.40. | ||