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).
The weight of a Rapson tyre and tube, and with a Dunlop wire wheel.
| Identifier | ExFiles\Box 1\7\ B001_X15 20 46 50 59-page080 | |
| Date | 24th September 1920 | |
| X15 X.1238. RAPSON TYRES. X.200. X.15. 24.9.20. Weight of Rapson Tyre and Tube - 67 lbs. complete with Dunlop Wire wheel - 103 lbs. GWH.{George W. Hancock - Head Chateauroux} | ||