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).
Photograph of two front tyres after 7,764 miles of use on a Phantom III experimental car.
| Identifier | ExFiles\Box 91\3\ scan0202 | |
| Date | 18th November 1935 | |
| PHANTOM III 31 EX 18 NOV. 1935 FRONT 7,764 Miles TYRES | ||