Recommendation to obtain Champion Sparking Plugs for 20 HP & 40/50 HP chassis testing due to their resistance to sooting.
| Identifier | ExFiles\Box 33\3\ Scan251 | |
| Date | 19th November 1924 | |
| To EWT/CEP. from Hs. {Lord Ernest Hives - Chair} X1812l Hs {Lord Ernest Hives - Chair} 10/LG19.11.24. Re. 20 HP. & 40/50 HP. Chassis Testing - Sparking Plugs. Handwritten Notes: X1812 (crossed out), X4196 (crossed out), X4091, X1918 Referring to EWT/CEP6/EG13.11.24. We recommend that you obtain a few Champion Sparking Plugs. These stand a considerable amount of oil without sooting up. Hs. {Lord Ernest Hives - Chair} | ||
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).