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).
Page discussing the synchronization of trembler ignition systems.
| Identifier | ExFiles\Box 37\1\ scan 007 | |
| Date | 1st July 1917 | |
| R.R. (M) (100 T) S. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 543, 19-2-20 G 2618 Contd. -3- R2/E10.7.17. synchronised which is not the case with any trembler ignition. R.{Sir Henry Royce} | ||