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 of special parts and modifications fitted to a specific car.
| Identifier | ExFiles\Box 180\M1\2\ img003 | |
| Date | 1st May 1922 | |
| Hy.{Tom Haldenby - Plant Engineer} fru Hs.{Lord Ernest Hives - Chair} c. to RF. c. to BY.{R.W. Bailey - Chief Engineer} c. to E.{Mr Elliott - Chief Engineer} c. to Da.{Bernard Day - Chassis Design} 7GI Special features ORIGINAL Hs{Lord Ernest Hives - Chair}1/LGL1.5.22. 7-COSHANK-11. Y4026 The special parts fitted to this car are as follows:- 1. R-W Wire Wheels. 2. Damping Ring fitted to brake drums. 3. Woodhead design of springs - all round. 4. Rear shock absorbers single stage - 6 lbs. 5. Oil Pump fitted with fellows cut gears. 6. Rocker arms - rollers given extra clearance. 7. Stronger rotor for high tension distributor. * 8. Wefco Gaiters to springs and shackles. 9. Clutch springs - 120 lbs. 10. Special washers to bolts holding undershield. Hs.{Lord Ernest Hives - Chair} | ||