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).
Internal request to order spark plugs from The Champion Sparking Plug Co.
| Identifier | ExFiles\Box 35\3\ scan 168 | |
| Date | 20th May 1927 | |
| To Roy{Sir Henry Royce}/Ms. from Hs.{Lord Ernest Hives - Chair} X4196 Hs{Lord Ernest Hives - Chair}1/LG20.5.27. Please order from The Champion Sparking Plug Co. :- 26 R12. type. 12 R.1. " (already supplied). Hs.{Lord Ernest Hives - Chair} | ||