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).
Letter to Champion Sparking Plug Co. Ltd. regarding the satisfactory performance of their N.A.8 and L.B.8 plugs.
| Identifier | ExFiles\Box 162\3\ img015 | |
| Date | 10th December 1937 | |
| 6000 RC.{R. Childs} December 10th.1937. Rm.{William Robotham - Chief Engineer}S/AP. Champion Sparking Plug Co.Ltd., Feltham, MIDDLESEX Dear Sirs, In reply to your letter addressed to Mr.Childs, reference AWW/LP.{Mr Lappin}, whilst we have not carried out sufficient tests to recommend Champion N.A.8 and L.B.8 plugs under all conditions, we would say that so far as our tests have gone they appear reasonably satisfactory in Rolls-Royce and Bentley engines respectively. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||