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 the AC-Sphinx Sparking Plug Co. regarding the favourable test results of their A.C. Filter and arranging a discussion based on price.
| Identifier | ExFiles\Box 135\3\ scan0202 | |
| Date | 31th December 1937 | |
| 1139. Rm{William Robotham - Chief Engineer}10/R.{Sir Henry Royce} 31st December, 1937. The AC-Sphinx Sparking Plug Co.,Ltd., DUNSTABLE, Beds: (For the attention of Mr. C.N. Faulconbridge) Dear Sirs, We have now completed a series of tests on the A.C. Filter, and its performance compares very favourably with that of the General Filter, against which it has been tested. We have shortly to make a decision as to which filter we are going to use as original equipment, and at the moment it appears that our choice will be dictated mainly by price considerations. We should, therefore, be glad to discuss the position with you at your early convenience. Yours faithfully, For ROLLS-ROYCE LTD. | ||