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).
Extract from Mr. Hancock's report on 14-GIV after 14,000 miles.
| Identifier | ExFiles\Box 168\5\ img181 | |
| Date | 5th April 1930 | |
| X3498 5.4.30. Extract from Mr. Hancock's report on 14-GIV after 14,000 miles. FERRANTI AMMETER. The ammeter has not fluctuated, the readings being more or less dead beat. We have not observed any deterioration in the instrument. The face of this instrument was cracked before the car left Derby. | ||