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).
Unauthorized electrode modification to spark plugs for the 20/25 HP Chassis.
| Identifier | ExFiles\Box 58\3\ Scan129 | |
| Date | 25th February 1931 | |
| To Hs. {Lord Ernest Hives - Chair} from ROY. {Sir Henry Royce} ROY {Sir Henry Royce} 10/MG25.2.31 V 1918 eu [STAMP: RECEIVED 26 FEB 1931 H] Kindly note Major Carington, of Messrs. K.L.G.Sparking Plugs Ltd, will be here early on Friday afternoon (27th) to discuss, amongst other matters, the electrode modification they have made without our consent to the Plugs previously standardised on the 20/25 HP. Chassis. ROY {Sir Henry Royce} | ||