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 cost for a set of four tyres from Dunlop, Goodyear, and Goodrich.
| Identifier | ExFiles\Box 42\5\ Scan029 | |
| Date | 22th February 1921 | |
| R.R. 135s (100 T) (S.H. 798. 10-12-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2048 X 3895 S/W Hs.{Lord Ernest Hives - Chair} X.3826 X.3895 RE TYRES. Hs{Lord Ernest Hives - Chair}2/LG8.2.21. C1/C22.2.21. X.990. I note contents of your memo. The rate of Exchange must not be forgotten, however. The following is the cost to us of a set of four Dunlop, Goodyear and Goodrich tyres:- Dunlop Magnum 895 X 150 mm------------------£15. 12. 2 Goodyear 895 X 150 mm---------------------74. 13. 6 Goodrich, safety tread 895 X 150-----------66. 16. 0 C. | ||