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 to be placed with Messrs Champion for various sparking plugs.
| Identifier | ExFiles\Box 162\3\ img033 | |
| Date | 14th November 1936 | |
| To Roy.{Sir Henry Royce} from Rm{William Robotham - Chief Engineer}/Wst. c. G/JWH. 6000 Rm{William Robotham - Chief Engineer}/Wst.15/AP.14.11.36. CHAMPION SPARKING PLUGS Will you please send an order to Messrs Champion for:- 100 - LB.8 Plugs. 100 - LB.9 Plugs. with 14 m/m.{Mr Moon / Mr Moore} thread reach and external adjustable gaps. 0/54107. Also 50 - N.A.8 plugs with adjustable gaps. 0/54317. Rm{William Robotham - Chief Engineer}/Wst. | ||