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).
Laboratory analysis of an Oldsmobile Roll Rod, detailing its material composition.
| Identifier | ExFiles\Box 126\1\ scan0107 | |
| Date | 9th July 1938 | |
| 1062 To Da{Bernard Day - Chassis Design}/JD.{J. Draper - Frames} c. to Rm{William Robotham - Chief Engineer}/FWK. Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux}4/JH.9.7.38. OLDSMOBILE ROLL ROD. The laboratory analysis of the above rod shows the material to be a plain carbon steel containing Carbon 0.40% Manganese 0.65% Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux} | ||