Final test report for car B.21.KU after fitting two new connecting rods.
| Identifier | ExFiles\Box 131\3\ scan0037 | |
| Date | 21th February 1939 | |
| 1113 To By... from Rm {William Robotham - Chief Engineer} /GWH. {George W. Hancock - Head Chateauroux} c. Rm. {William Robotham - Chief Engineer} Rm {William Robotham - Chief Engineer} /GWH. {George W. Hancock - Head Chateauroux} 2/N.21.2.39. B.21.KU - Lady Islington. Final Test after fitting two new con rods No.2. and 5. Oil pressure. Idling 10 lbs. hot. 30 mph. 23 " 60 mph. 35 " GWH. {George W. Hancock - Head Chateauroux} | ||
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).