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).
With diagrams for valve timing and ignition for a 38 HP Daimler engine.
| Identifier | ExFiles\Box 126\4\ scan0006 | |
| Date | 26th April 1910 | |
| R.R. 148 (20 H) (K 477. 24.1.10) E.P. 5888. & Ignition X432 Daimler Valve timing 38 H.P. Cohen & EP{G. Eric Platford - Chief Quality Engineer} 26/4/10. Large Diagram: I.O mag early E.C. Mag. late. Battery late. E.O. Exh. open full. I.C. Battery adv. Small Diagram: By Mr Root. I.O EC 20° X EO 50° I.C. 35° EP{G. Eric Platford - Chief Quality Engineer} 26/4/10 | ||