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).
Note confirming satisfactory steering tests for chassis number GRO-70.
| Identifier | ExFiles\Box 106\3\ scan0437 | |
| Date | 11th March 1937 | |
| 530. Rm{William Robotham - Chief Engineer}/WJH Mx{John H Maddocks - Chief Proving Officer}/Skn4/T11.3.37 re 25/30HP Chassis Steerings - Ransome & Marles Rollers & Races RHC{R. H. Coverley - Production Engineer}/JMW8/EMG20.2.37 Will you please note that Chassis No.GRO-70 has now gone through its tests satisfactorily and the steering column was OK in all respects. Mx{John H Maddocks - Chief Proving Officer}/Skn | ||