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 showing the condition of Peregrine No.1 engine's Nos.1 & 7 main bearings after a development test.
| Identifier | ExFiles\Box 115\2\ scan0388 | |
| Date | 11th December 1937 | |
| PEREGRINE NO.1. CONDITION OF NOS.1 & 7 MAIN BEARINGS E.48924/5 REJECTED AFTER 100 HOURS DEVELOPMENT TEST DECEMBER 1937. TOTAL RUNNING 163 HOURS (1.10.37 to 11.12.37.) 33-29 | ||