Telegram reporting cracked exhaust seats on a Goshawk engine and requesting a new cylinder head.
| Identifier | ExFiles\Box 180\M2\M2.1\ img028 | |
| Date | 20th May 1922 | |
| Roycar Derby Angleterre. Hives six goshawkAero EngineCodename for 20HP Car / Aero Engine after KestrelAero Engine all exhaust seats cracked send new cylinder head complete with valves car stopped. Haldenby. | ||
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).