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 detailing an order for light type valves, stronger springs, and a higher lift cam for a 45/50 HP Chassis.
| Identifier | ExFiles\Box 35\3\ scan 004 | |
| Date | 29th November 1918 | |
| X, 2764. Extract from EY6/P291118. RE 1000 45/50 H.P. CHASSIS. (10) VALVES & VALVE SPRINGS. Y.2983 X 2563 Light type valves with stronger springs have been ordered up and in addition the higher lift cam has been instructed as per the scheme fitted to Commander Brigg's car. This, I take it, was what you intended. | ||