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).
Extract about experiments showing that H.T. conductors in earthed metal tubes are detrimental to battery ignition.
| Identifier | ExFiles\Box 172\3\ img021 | |
| Date | 20th November 1919 | |
| Extract from R2/G20.11.19. Experiments show H.T.conductors in earthed metal tubes definitely detrimental to battery ignition. | ||