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).
Performance timings for a Spectre II and a Buick at the Brooklands circuit.
| Identifier | ExFiles\Box 155\1\ scan0193 | |
| Date | 18th July 1935 | |
| FILE.. X,370 Hs{Lord Ernest Hives - Chair}/FD.{Frank Dodd - Bodies}3/JH.17.12.35.. Brooklands 18.7.35.. SpectreCodename for Phantom III II Lap 1 min. 57 secs. 85.13 M.P.H. " " 1/2 MILE 20 minu., 9secs.. 86.12.MPH. B Buick. Lap 2.. min 11.4 secs. 75.8.M.P.H.. " " 1/2 MILE 23.8.secs. 77.25.Mph.. Hs{Lord Ernest Hives - Chair}/FD.{Frank Dodd - Bodies} | ||