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).
List detailing various types of tyres to be supplied, with specific modifications and destinations.
| Identifier | ExFiles\Box 157\2\ scan0108 | |
| Date | 14th January 1937 guessed | |
| Tyres to be supplied:- (a) Two 7.00/18 V.P. '90' with shoulder studs completely tied up. } send direct to France. (b) Two ditto. with knife-cuts on shoulder studs. } (c) Four covers as above for Derby. (d) Two 6.00/19 '1929' pattern (5 ribs, unbroken) Leave notches at tread edge Knife cut right across. } to Derby (e) Two 6.00/19 '1929' pattern (5 ribs, unbroken) No notches, but knife cuts right across. } (f) Two worn 6.00/19 'L' type removed from demonstration car after 1800 miles, to have shoulder notches filled in with repair compound to see if they can be made silent again. (g) Two 7.00/18 'L' type, filled-in shoulder notches. Knife cuts on shoulder. | ||