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).
Test results for B.I. High Tension Cable reels, indicating which have passed or failed.
| Identifier | ExFiles\Box 167\3\ img105 | |
| Date | 31th March 1938 | |
| To G/Mt. c. to RHC{R. H. Coverley - Production Engineer}/SMD.{J. Smedley} c. to RC{R. Childs}/GJ. 6110. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}4/JH.31.3.38. re B.I. High Tension Cable. Please note that the Reels No.BI.266 - BI.275 with the exception of BI.269 have passed the required tests, and may be issued for production. BI.269 failed on the ionization test and should be returned to the makers. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||