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).
Summary table of vehicle component updates, issues, and production statuses.
| Identifier | ExFiles\Box 154a\3\ scan0293 | |
| Date | 12th June 1937 | |
| 6.B.IV. -2- 12.6.37. Reference. Description. Notes. Ex.22805. NS.{Norman Scott}4167. NS.{Norman Scott}4776. | Raised Front Engine Mounting Clutch operating Mechanism to suit. | Sheet issued. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | Aluminised front expansion box. | Sheet issued with modification to collar which failed in France. S.S.95. R & M.{Mr Moon / Mr Moore} M.D.J.T.30. | Increased capacity bearing for rear axle pinion. | Sheet issued. Ex.25109 Ex.25105/6 Ex.25112. | Anti-knock rear wheel drivers) (S/ZNX.) Hubs to suit. End covers without loose ring. | Sheet issued. Rm{William Robotham - Chief Engineer}/Std. | "Klingerite" jointing material in engine water joints. | Sheet issued. Rm{William Robotham - Chief Engineer}/Std. | Water temperature thermometer with special capillary to cut out noise transmission. | Sheet issued. Fracture of capiliary at point comm. to previous Thermos, but completed mileage in 35-EX. FB.2690. | Improved front axle controls. | On Production, but had not previously covered full mileage. Lucas | Lucas Petrol Pump Switch | On Production. Sheet issued. Rm{William Robotham - Chief Engineer}/Wst. | "Glowray" Ph.III type ballast resistance. | Sheet issued. Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux} | "Palmetto" packing in water pump gland. | Sheet issued. | ||