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 report detailing mileage and wear conditions for Goodrich Cord Tyres.
| Identifier | ExFiles\Box 158\1\ scan0073 | |
| 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 | " " | ||