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 describing the battery ignition system for Liberty engines.
| Identifier | ExFiles\Box 37\1\ scan 026 | |
| Date | 15th April 1918 | |
| X.3199 Extract from EHL/LG15.4.18. RE LIBERTY ENGINES. BATTERY IGNITION X.3199 X.3296. The battery ignition is made up mostly of sheet pressings similar to the Remy pieces, they use a carbon brush on the high tension distributor. The coil is quite small and is moulded into the high tension distributor cover. R.R. & SSS R (300 F) (S.F. 10C) 25-10-18. C. 2244 | ||