New ignition coil (No. L.I.12) with L.P.S. paper insulation for testing.
| Identifier | ExFiles\Box 164\5\ img013 | |
| Date | 8th January 1931 | |
| X6058. RHC. {R. H. Coverley - Production Engineer} from EFC. {E. Fowler Clarke - Electrical Engineer} c. Hs {Lord Ernest Hives - Chair} /AJL. EFC {E. Fowler Clarke - Electrical Engineer} 3/AD8.1.31. X.6058. Std. Ignition coil insulated with L.P.S. paper. We hand you herewith coil No. L.I.12 wound with L.P.S. waxed paper insulation which considerably reduces H.T. leakage at high temperatures. Will you please have this coil fitted to chassis 19-EX for test. EFC. {E. Fowler Clarke - Electrical Engineer} | ||
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).