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).
Confirming the arrangement to calibrate speedometer dials for various chassis series.
| Identifier | ExFiles\Box 165\2\ img196 | |
| Date | 25th May 1939 | |
| CHILDS What was request BY/HD.{Mr Hayward/Mr Huddy} c. Rm.{William Robotham - Chief Engineer} BY/Mtn/N.25.5.39. 6665 requested that the margin of error should be the same on all cars. Speedometer Readings. and that the limits would be tightened up. R m / cc' This is to confirm we will arrange for Speedometer dials to be calibrated in accordance with the request from Cx.{Major Len W. Cox - Advertising Manager} as follows:- (a) B.V. - All chassis. (b) Wraith - Any future chassis after 'C' series. (c) P.III. - Any future chassis after 'D' series. We have informed Cx.{Major Len W. Cox - Advertising Manager} in accordance with the above. BY/Mtn. | ||