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 concerning improvements to induction pipes for winter conditions.
| Identifier | ExFiles\Box 50\3\ Scan117 | |
| Date | 9th July 1923 | |
| Roycar. Derby. Hives Springfield insist their seated induction pipe an improvement and essential for winter even with modified throttle until latest Derby recommended Tydes available stop Test at present (Tylas) stop This is now only | ||