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).
Defining the nomenclature for experimental chassis, codenamed 'Heron' and 'Seagull'.
| Identifier | Morton\M22\ img217 | |
| Date | 12th October 1922 | |
| To BY.{R.W. Bailey - Chief Engineer} from E.{Mr Elliott - Chief Engineer} c. to Hs.{Lord Ernest Hives - Chair} [Handwritten annotations:] Std 40/50 CHASSIS WITH FWB = 'HERON' OHV 4 1/2" BORE (the next & only other move) = SEAGULL LATER TO BECOME PHANTOM I E1/M12.10.22. NOMENCLATURE OF EXPERIMENTAL CHASSIS X.3548. Re, the above, kindly note that we understand the four wheel brakes chassis with 40/50 engine should be called the "Heron" and the next and only other move - the chassis with overhead valves and 4 1/2 engine, should be called the "Seagull". E.{Mr Elliott - Chief Engineer} | ||