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).
Update to the standard coil drawing to prevent faults.
| Identifier | ExFiles\Box 69\1\ scan0276 | |
| Date | 16th December 1929 | |
| X8710 By/RD. from EFC. EFC4/AD16.12.29. X.8710. FAULTY COILS FROM CUSTOMERS. With reference to our EFC3/AD13.12.29 on the above subject, would you arrange on the standard coil drawing, to draw attention to the fact that the flexible primary to secondary connection should finish well away from the point to which the second secondary layer reaches, so that no portion of the second layer is overwound on same. EFC. | ||