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).
Internal order for a standard 40/50 speedometer with altered revs per mile for chassis 27-EX.
| Identifier | ExFiles\Box 59\2\ Scan308 | |
| Date | 2nd January 1934 | |
| WST 8605/. J/58723 Hs{Lord Ernest Hives - Chair}/Wst.2/MA.2.1.34. Roy.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Wst. 40/50 SPEEDOMETER FOR CHASSIS 27-EX. Will you please order for us for this chassis to order No.54102 one standard 40/50 speedometer to drawing D.73749 with the revs per mile figure altered to 790. Hs{Lord Ernest Hives - Chair}/Wst. 100 m.p.h. dial Revs per mile 790. | ||