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 AC. Sphinx Sparking Plug Co. regarding a revised specification for a rev-counter.
| Identifier | ExFiles\Box 165\2\ img140 | |
| Date | 17th November 1937 | |
| Rm{William Robotham - Chief Engineer}/RC.{R. Childs}3/MH.{M. Huckerby} 6011 The AC. Sphinx Sparking Plug Co., Dunstable, BEDS. 17th. November 1937. For the attention of Dr. Benion Brown. Dear Sirs, We are enclosing herewith a copy of our specification for the rev-counter; if you already have one will you please note that paragraph 6 has been modified and should now read 5% instead of 3% fast. The undersigned would be glad to receive the estimated costs of your instruments and drives, for both the "Bevel glass" and the Concave dial types, as soon as possible. Yours faithfully, for ROLLS-ROYCE LTD. | ||