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 lower half bearing shells showing their condition after a 46-hour engine test.
| Identifier | ExFiles\Box 114\2\ scan0223 | |
| Date | 22th November 1935 guessed | |
| <- 1 to 7 -> LOWER HALVES B14 Condition after 46 hours comprising 30 mins. at 4,000 r.p.m. 25 " " 4,250 " 5 " " 4,500 " in each hour. Oil Inlet Temp. 100°C. | ||