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).
Telegram message regarding the satisfactory performance of a waterpump filter and thermometer.
| Identifier | ExFiles\Box 92\3\ scan0165 | |
| Date | 5th March 1937 | |
| ROYCAR DERBY = GRYLIS 35 EX WATERPUMP FILTER SATISFACTORY NO TROUBLE THERMOMPTER PAPILLARY = WALLIR + + CT 35 EX ONE WD{Mr Wood/Mr Whitehead} + mr Grylls | ||