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).
Order be sent to The A.C. Sphinx Sparking Plug Co. Ltd.
| Identifier | ExFiles\Box 163\5\ img083 | |
| Date | 16th November 1936 | |
| To Roy.{Sir Henry Royce} from Rm{William Robotham - Chief Engineer}/Wst. c. G/JWH. 26011. Rm{William Robotham - Chief Engineer}/Wst.23/AP.16.11.36. Will you please send an order to The A.C.Sphinx Sparking Plug Co. Ltd., covering the supply by them of 12.X.K.9. and 12.X.K.14. sparking plugs. Rm{William Robotham - Chief Engineer}/Wst. Order No.54107 | ||