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).
Technical note on the production testing of coil cases using a trembler ignition coil.
| Identifier | ExFiles\Box 41\2\ Scan029 | |
| Date | 15th October 1926 | |
| Contd. -22-- EFC3/T15.10.26. Department for the production testing of coil cases, in which case a trembler ignition coil would be used to supply the necessary high tension for rectification to the D.C. voltage. EFC. | ||