Telegram confirmation regarding the cause of a roar and a suggested exhaust modification.
| Identifier | Morton\M1.4\ img007 | |
| Date | 4th November 1921 | |
| ORIGINAL CONFIRMATION OF TELEGRAM TELEPHONED TO CHICHESTER. RECEIVED 4th November, 1921. 3 H {Arthur M. Hanbury - Head Complaints} / 4238 XG227 ROYCAR DERBY. HIVES CONCLUDE ROAR CAUSED BY PRESSURE REMAINING AT MOMENT INLET OPENS TRY STRAIGHT PIPE EXHAUST WITHOUT SILENCER AND EXHAUST DIVIDED INTO THREE GROUPS OF TWO. ROYCE. | ||
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).