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).
On test results for ignition coil No. 2981, recommending it be unwound to ascertain the fault.
| Identifier | ExFiles\Box 46\3\ Scan238 | |
| Date | 3rd June 1924 | |
| X.3445 To BY/HM.{Capt. W. Hallam - Head Repairs} from EFC. EFC4/T3.6.24. X.3445 - IGNITION COIL No.2981 EX CHASSIS 30-LK{L. King} -McCOWAN- As in the case of coil No.3855, this coil also would appear from the results of our tests, to be possessed of an incipient fault, and our recommendation in this instance is precisely as in that other case, namely that the coil be carefully unwound to ascertain the nature and location of the fault; see report attached WA.{Mr Wallis}38. We return the coil herewith. EFC. | ||