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 tyre report for 'Rapson' tyres fitted to vehicle 98 NK, detailing daily mileage and wear.
| Identifier | ExFiles\Box 39\1\ Scan120 | |
| Date | 21th June 1924 | |
| WEEKLY TYRE REPORT. "RAPSON" TYRES FITTED TO 98 NK. Handwritten top right: 21.6.24. Handwritten right side: X/238 Handwritten bottom right: Copy DATE. | SPEEDOMETER READING. | DAYS RUN. (mileage) | TOTAL MILEAGE. FRONT. N.S. | TOTAL MILEAGE. FRONT. O.S. | TOTAL MILEAGE. REAR. N.S. | TOTAL MILEAGE. REAR. O.S. | REMARKS. 13.6.24. | 2759. | 484. | 2758. | 2758. | 2480. | 2793. 313. | N°5 punctured. Worn down to canvas. mileage 2480 on N.S. rear. N°7 worn down to canvas - removed. Mileage 2793 on O.S. rear. 14.6.24. | 2950. | 191. | 2950. | 2950. | 504. | 192. | 15.6.24. | 2981. | 31. | 2981. | 2981. | 536. | 223. | 16.6.24. | 3016. | 35. | 3016. | 3016. | 571. | 258. | 17.6.24. | 3523. | 507. | 3523. | 3523. | 1078. | 765. | 18.6.24. | 4030. | 507. | 4030. | 4030. | 1585. | 1272. | 2nd tread shewing on O.S. rear tyres, after 1021 miles. N.S. rear tyre worn to canvas after 1585 miles, removed. 19.6.24. | 4534. | 504. | 4114. 420. | 4114. 420. | 504. | 1776. | Front tyres worn to canvas after 4114 - removed, & replaced by Rapson N°8 on OS. & Dunlop N°X.5 on N.S. 20.6.24. | 5031. | 497. | 917. | 917. | 1001. | 2025. 248. | N°4 burst after 2025 miles on O.S. rear. Worn to canvas. Dunlop N°X.2 put on. | ||