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).
Photograph of Phantom III No.6 Unit main bearings after a 21-hour endurance test.
| Identifier | ExFiles\Box 131\5\ scan0025 | |
| Date | 16th November 1937 guessed | |
| <- 1 to 7 -> PHANTOM III No.6 UNIT. MAIN BEARINGS. STD. W/M.{Mr Moon / Mr Moore} HAVE RUN TOTAL ENDURANCE OF 21 HOURS. COMPRISING OF :- 10 HOURS 1/2 LOAD ENDURANCE & 11 HOURS FULL THROTTLE ENDURANCE UNDER CONDITIONS ("d" & "e"). | ||