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).
Electric petrol gauge failures for various models over a three-month period.
| Identifier | ExFiles\Box 130\1\ scan0064 | |
| Date | 18th September 1933 guessed | |
| - 12 - ELECTRIC PETROL GAUGE FAILURES. 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. June Quarter. C.C. - 24 - - 24) 24 Mostly electrical breakdown of instrument head. V.P. Three months. - 24 - - 24 24 | ||