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).
Cost comparison document for Bentley V tyres from various manufacturers, evaluating 4 ply and 6 ply options.
| Identifier | ExFiles\Box 158\2\ scan0011 | |
| Date | 21th April 1939 guessed | |
| Bentley V.{VIENNA} Tyres - Size 6.50" x 16". ONLY THE TYRES MARKED IN RED HAVE PASSED STANDARDISATION TESTS 4 ply. 6 ply. Maker. | Cost to us. | Retail Price. | Cost to us. | Retail Price. --- | --- | --- | --- | --- Dunlops. | £1.7s.5d. | £5.0.0. | £1.13s.3d. | £6.2s.0d. India. | £1.5s.6d. | £5.0.0d. | £1.11s.1d. | £6.2s.0d. Avon. | £1.7s.0d. | £5.4.4½d.{John DeLooze - Company Secretary} | | British Tyre & Rubber Co, | £1.8s.2d. | £5.0s.0d. | £1.14s.2d. | £6.2s.0d. Comparison between cost of our present equipment and the new equipment. | Maker. | Size. | Cost to us. | Retail Price. --- | --- | --- | --- | --- Present equipment. | India. | 6.50"x17" | £1/16/5d. | £6/14/0d. New equipment. | Avon. | 6.50" x 16" | £1/7/0d. | £5/4/4½d.{John DeLooze - Company Secretary} Saving :- | | £0/9/5d. | £1/9/7½d.{John DeLooze - Company Secretary} | ||