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 mileage report for Rapson tyres fitted to a 20 HP car, model 7-G-11.
| Identifier | ExFiles\Box 39\1\ Scan155 | |
| Date | 30th June 1924 | |
| WEEKLY REPORT OF MILEAGE ON RAPSON TYRES FITTED ON 20 HP. CAR. 7-G-11. SHEET 1.A. DATE. | TYRE NO'S. | WHERE FITTED. | DAYS RUN. | TOTAL MILES REAR. | TOTAL MILES FRONT. | REMARKS. 30.6.24 | YX.63146, YX.63253, YX.63141, YX.63124 | Off rear, Near rear., Off front., Near front. | 0 | 15098, 15098 | 15922, 15922 | All tyres showing bad signs of wear. 1.7.24 | " " | " " | 79 | 15177, 15177 | 16001, 16001 | All tyres taken off for the week-end. 2.7.24 | " " | " " | 20 | 15197, 15197 | 16021, 16021 | 3.7.24 | " " | " " | 45 | 15242, 15242 | 16066, 16066 | 4.7.24 | " " | " " | 11 | 15253, 15253 | 16077, 16077 | 5.7.24, 6.7.24 | " " | " " | 0 | " | " | | ||