Test report on the accuracy of an Elliott speedometer on car 6.EX.
| Identifier | ExFiles\Box 8\2\ 02-page40 | |
| Date | 1st February 1923 | |
| X. 613 1.2.23. CHECK ON ELLIOTT SPEEDOMETER. 6.EX Car. At 20 m.p.h. Speedometer reads 19.5 " 30 " " " 29.1 " 40 " " " 39.5 " 50 " " " 49.2 ----------------------------- | ||
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).