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).
Test results for Goodrich Cord Tyres 33 X 6.75, detailing mileage run and wear remarks.
| Identifier | ExFiles\Box 45\2\ Scan122 | |
| Date | 7th December 1927 | |
| GOODRICH CORD TYRES 33 X 6.75. (Received for test 7.12.27) No.of Tyre. Ref: No. Miles run on front. Miles run on rear. Total miles. Remarks. DRO.33774 88 3847 4470 8317 On canvas. Worn right out. " 34615 89 78 3847 3925 Worn smooth. " 33915 90 78 3847 3925 " " " 33914 91 3413 799 4212 " " " 33773 92 3847 4470 8317 On canvas - burst. These tyres received from Lillie Hall per 8-EX 4.6.28. All slightly worn, but no mileage records. 24 2154 2154 Worn smooth. 25 3028 3028 " " 26 1249 1809 3058 " " 27 2876 2876 " " | ||