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).
Weekly report on the mileage of Rapson tyres fitted to a 20 HP car, chassis 7-G-11.
| Identifier | ExFiles\Box 39\1\ Scan154 | |
| Date | 23th June 1924 | |
| WEEKLY REPORT ON MILEAGE OF RAPSON TYRES FITTED ON 20 HP. CAR, 7-G-11. SHEET 1. DATE. | TYRE NO'S. | WHERE FITTED. | DAYS RUN. | TOTAL MILES. REAR. FRONT. | REMARKS. 23.6.24 | YX. 63146 YX. 63253 YX. 63141 YX. 63124 | Off rear Near rear. Off front. Near front. | 0 | 14918 14918 | 15742 15742 | All tyres are shewing signs of wear. 24.6.24 | " " | " " | 49 | 14967 14967 | 15791 15791 | 25.6.24 | " " | " " | 14 | 14981 14981 | 15805 15805 | 26.6.24 | " " | " " | 57 | 15038 15038 | 15862 15862 | 29.6.24 | " " | " " | 60 | 15098 15098 | 15922 15922 | | ||