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).
Request to obtain two Veeder counters for testing speedometer road wheel revolutions on experimental cars.
| Identifier | ExFiles\Box 63\1\ scan0231 | |
| Date | 2nd March 1931 | |
| X3035 Roy.{Sir Henry Royce} from EFC. EFC4/AM2 2.3.31. X.6125. A.T. SPEEDOMETER. X.3035. TESTS OF ROAD WHEEL REVOLUTIONS PER MILE. Will you please obtain for use on experimental cars in connections with the above, two Veeder counters reading up to 100,000. EFC. | ||