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).
Confirmation of a telegram urgently requesting twelve new exhaust valves.
| Identifier | ExFiles\Box 92\3\ scan0139 | |
| Date | 1st March 1937 | |
| 300a Confirmation of Telegram despatched on 1.3.37 --------- ROYCAR DERBY ROBOTHAM 35 EX SEND TWELVE NEW EXHAUST VALVES URGENT. WALLER I.M. Waller. Hotel De France. Châteauroux. Indre. | ||