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).
Graph comparing steering error curves between the present standard and a new scheme for a 20 HP chassis.
| Identifier | ExFiles\Box 56\4\ Scan071 | |
| Date | 7th November 1927 | |
| STEERING ERROR CURVES — 20 HP CHASSIS. ERROR IN GEOMETRY REBOUND BUMP PRESENT STANDARD. N SCH. 2401. .300 .200 .100 .100 .200 .300 .400 3.000 2.000 1.000 V5450 E 7/11/27 | ||