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).
Extract from a memo requesting to order a specific speedometer for car 16-EX.
| Identifier | ExFiles\Box 50\4\ Scan235 | |
| Date | 20th March 1928 | |
| X4308B Extract from Hs {Lord Ernest Hives - Chair} /Rml/LG20.3.28. Will you please order for us :- 1 Speedometer type No.B-156 . 110 m.p.h. small dial black face as ordered for 16-EX (16 tooth axle). | ||