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).
Failed rear axle pinion on an Isotta Fraschini car during final road tests.
| Identifier | WestWitteringFiles\K\November1923\ Scan29 | |
| Date | 13th November 1923 | |
| To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} c. to CJ. RG.{Mr Rowledge} c. to BY.{R.W. Bailey - Chief Engineer} DA.{Bernard Day - Chassis Design} Heb{H. Biraben}/LG:13.11.23. ISOTTA FRASCHINI CAR. +4609 On the final road tests of this car, the rear axle failed. We found on examination that all the teeth were stripped off the Pinion. As soon as the gears are replaced, the car will be sold. Hs.{Lord Ernest Hives - Chair} | ||