Table detailing design changes and specifications for New Phantom model connecting rods.
| Identifier | ExFiles\Box 65\4\ scan0282 | |
| Date | 24th June 1925 | |
| Hs. {Lord Ernest Hives - Chair} X8030 By {R.W. Bailey - Chief Engineer} /S821/11/25 New Phantom(Codename for PHANTOM I). Conn Rods. Lec. 1701. | 10" centres. W.M. direct & Rod + Cap | E70415/6. 19.4.23. | Were fitted to Chassis. Lec. 1879. | 11.500 centres. W.M. direct & Rod + Cap | E71939/40. 25.6.24. | Fitted Series V.W.X.Y. Lec. 2081. | 11.500 centres. W.M. & Large end bush. Cap stiffened up. | E73762/3. 24.6.25 | Fitted Series A2A onwards now building E2. By {R.W. Bailey - Chief Engineer} /SS. {S. Smith} 21/25. | ||
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).