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).
Requesting the purchase of a ceramic sparking plug cleaning machine from the Champion Sparking Plug Co. Ltd.
| Identifier | ExFiles\Box 162\3\ img048 | |
| Date | 14th December 1936 | |
| r6000. To EJJ. from Rm{William Robotham - Chief Engineer}/Wst. Rm{William Robotham - Chief Engineer}/Wst.14/AP.14.12.36. CERAMIC SPARKING PLUG CLEANING MACHINE. With the advent of "Ceramic" insulated non-detachable sparking plugs on both chassis and aero engines, we shall require a special cleaning machine. Will you please order one of these from The Champion Sparking Plug Co.Ltd., 83 Pall Mall S.W.1., complete with 2½ lb. tin of abrasive compound, but without sparking plugs. Rm{William Robotham - Chief Engineer}/Wst. Leaflet Attached | ||