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).
Sending two Wraith III speedometers for recalibration to a new revolutions per mile value.
| Identifier | ExFiles\Box 165\2\ img113 | |
| Date | 10th August 1937 | |
| To D/BP: from HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel} Syst. Sym. Rm{William Robotham - Chief Engineer}/wst. 6065. HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}9/BA.10.8.37. O/54127 Wraith III Speedometers. We hand you herewith 2 speedometers removed from Chassis 24 & 25 G-VI. Will you kindly forward same to the makers for the purpose of being recalibrated to the new revs. per mile value 776. HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel} | ||