Request to rewind a special Wraith ignition coil with new specifications.
| Identifier | ExFiles\Box 164\5\ img268 | |
| Date | 2nd March 1937 guessed | |
| 6017 SECRET. HPS. {Horace Percy Smith - Experimental Factory Mgr} from Rm {William Robotham - Chief Engineer} /Wst. Rm {William Robotham - Chief Engineer} /Wst.17/M.2.237. Wraith Ignition Coil. Will you please arrange to rewind one of the special coils to D.75672 produced for us some time ago, by winding 15,000 turns of 42 SWG. on the secondary winding in place of the existing winding. Rm {William Robotham - Chief Engineer} /Wst. | ||
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).