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 clarifying the term 'vigorous damping' for damping rods.
| Identifier | ExFiles\Box 74\4\ scan0077 | |
| Date | 21th September 1923 | |
| Roycar X4615 more or less vigorous damping rods or this reversed stop vigorous damping understood to mean up to immovable fixing under ordinary road conditions Royce | ||