Photograph of whitemetal main journal lower halves after a 20-hour endurance test.
| Identifier | ExFiles\Box 114\2\ scan0234 | |
| Date | 21th August 1935 | |
| - 1 TO 7 -> LOWER HALVES WHITENMETAL MAIN JOURNALS.E.JNR {Charles L. Jenner} 1/HP.21.8.35. 20 HOURS ENDURANCE AT 3,000 R.P.M. OIL PRESSURE 25 LBS.SQ. INCH. TEMPERATURE. INLET 100°C OUTLET 122°C | ||
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).