The weight of a Rapson Tyre and Tube, both individually and when complete with a Dunlop Wire Wheel.
| Identifier | ExFiles\Box 39\1\ Scan001 | |
| Date | 24th September 1920 | |
| X.1238 24.9.20. EFC {E. Fowler Clarke - Electrical Engineer} X.1238. Rapson Tyres. X.15 X.200 2 Weight of Rapson Tyre and Tube - 67 lbs. complete with Dunlop Wire Wheel - 103 lbs. GWH. {George W. Hancock - Head Chateauroux} RECEIVED C SEP 28 1920 R.R. 255a. (100 T) S.H. 89. 22-7-20) G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 2769 | ||
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).