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 of complaints for the 4 1/4 Bentley, tracking the number of faults per month in 1938.
| Identifier | ExFiles\Box 131\2\ scan0228 | |
| Date | 30th June 1938 | |
| CHART OF COMPLAINTS 4 1/4 BENTLEY NO. OF COMPLAINTS 1938 JAN. FEB. MARCH APRIL MAY JUNE REV. COUNTER CABLE NOISY NONE REV. COUNTER HEAD NOISY NONE SPEEDO TRIP FAULTY SPEEDO CABLE NOISY NONE SHOCK DAMPERS NOISY AIR LOCK SHOCK DAMPERS KNOCK WORN BEARINGS NONE SHOCK DAMPER CONTROL UNIT FAULTY NONE G.W.H. 6. | ||