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).
Chart logging engine failures for 3 1/2 and 4 1/4 litre Bentley models for the year 1939.
| Identifier | ExFiles\Box 107\2\ scan0075 | |
| Date | 1st January 1939 | |
| CHART OF ENGINE FAILURES 3 1/2 AND 4 1/4 BENTLEY 1939 OWNERS NAME WHERE FAILED E - ENGLAND A - ABROAD JAN FEB MARCH APRIL MAY JUNE (1) NATURE OF FAILURE CRANKCASE BROKEN DUE TO FAILURE OF CONNECTING ROD. M - MILEAGE (2) NATURE OF FAILURE Nº2 EXHAUST VALVE HEAD BROKEN. PISTON BROKEN. (2) E ENGLAND A ABROAD E SIR JAMES HERON WALKER BT{Capt. J. S. Burt - Engineer} GWH{George W. Hancock - Head Chateauroux} 2 | ||